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CN201909870U - Fiber distribution box - Google Patents

Fiber distribution box Download PDF

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Publication number
CN201909870U
CN201909870U CN2010206865996U CN201020686599U CN201909870U CN 201909870 U CN201909870 U CN 201909870U CN 2010206865996 U CN2010206865996 U CN 2010206865996U CN 201020686599 U CN201020686599 U CN 201020686599U CN 201909870 U CN201909870 U CN 201909870U
Authority
CN
China
Prior art keywords
optical
fiber
distribution box
box body
optical cable
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN2010206865996U
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Chinese (zh)
Inventor
董宏兴
南海铭
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China United Network Communications Corp Ltd Wenzhou Branch
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China United Network Communications Corp Ltd Wenzhou Branch
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Priority to CN2010206865996U priority Critical patent/CN201909870U/en
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Publication of CN201909870U publication Critical patent/CN201909870U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model discloses a fiber distribution box, which comprises a box body and a box cover. The box cover can be fixedly capped on the box body so that a cavity is formed, a fixing plate used for fixing an optical fiber connector is arranged in the box body, an optical fiber welding plate and a cable fixing device for fixing a cable are arranged in the box body, the cable is fixed by the cable fixing device after penetrating through the fiber distribution box, an optical distribution device for distributing optical signals is also arranged in the box body, an input interface and an output interface of the optical distribution device are respectively connected with the optical fiber connector though output tail fibers, an input optical signal in the optical fiber welding plate is transmitted to the optical fiber connector through an input tail fiber and then enters the optical distribution device, and the optical signals are distributed into multiple channels of optical signals by the optical distribution device and then transmitted to the optical fiber connector so as to be further transmitted to a user side through the input tail fiber. The fiber distribution box can be used for expanding communication capacity of optical fibers, and has lower cost.

Description

Fiber distribution box
Technical field
The utility model relates to fiber optic communication field, relates to the optical cable fiber-dividing box of close user side in a kind of broadband light Access Network specifically.
Background technology
Fiber-to-the-subscriber (FTTH) is the dream of the continuous pursuit of people over 20 years and the technique direction of exploration, but because the obstruction of each side such as cost, technology, demand, also not popularization and development on a large scale so far.Yet this situation of making slow progress has had very big change recently.Because after the support on the policy and the development of technology itself, silence for many years, FTTH becomes the focus of research once more, step into the fast-developing phase.
As the important access device that connects user and network, optical cable fiber-dividing box and optical cable fiber-dividing box are by being applied in the FFTH technology more and more widely.And optical cable fiber-dividing box not only volume ratio adapter quantity big, that adopt is many, cost is high, the input and output loss of connector is bigger, and can only be used for indoor installation, can't satisfy the installation requirements at positions such as outdoor extension wall, electric pole.Based on the above shortcoming of fiber-dividing box, fiber distribution box has obtained large-scale application.In the present engineering, mostly adopt in corridor a place to block all optical cables, then all optical fiber in the optical cable are connected to the fine system of branch in building by the method that is fused into end or field connector Cheng Duan.Do to advance inefficiency like this, lay the expense height, and have a large amount of joints, cable to crowd in the fiber distribution box, it is very loaded down with trivial details to continue, and brings very big inconvenience to construction.
Existing Chinese patent literature CN 201340468Y discloses a kind of wall-hanging optical cable fiber-dividing box that uses during Fiber To The Building that is applicable to, but the box body and the lid that comprise folding, have a plurality of optical distribution cables entry and exit on the left and right sidewall of box body, and the right side wall below also is provided with a plurality of optical cable outlets of registering one's residence, be fixed with the fibre junction dish on the diapire of box body, which is provided with reel and stay device and some elastic clamp seats that is used for fixing the optical fiber flange.Adopt the wall-hanging optical cable fiber-dividing box of this technology to have to draw and connect the difference function, connect the inconsistent optical distribution cable of branch same cable connection of registering one's residence after the reel on the fibre junction dish stays the device mid-game to stay a segment length with drawing, the optical cable of registering one's residence then stays to coil on the device at dish and stays certain length, draws from the optical cable inlet of registering one's residence at last.Other optical distribution cable or straight-through draw from the optical distribution cable gateway, or fix and coil retention with the fixedly compressing tablet of flexible and put, and then draw from the optical distribution cable gateway.Finish drawing of optical cable and connect difference.Continuation method can adopt welding that cold connector is continued, and the back elastic clamp seat that continues is fixed joint, protect.The difference cloth fibre of realization from the building to user; Gu cable divides fibre very easy; can not destroy the transmission of other optical fiber; reduced the quantity that continues of optical fiber link; made things convenient for the management of box inner fiber; reach the purpose of easy construction and maintenance, and adopt kinds of protect measure protection optical cable, ensure that communication security is reliable.
After adopting above-mentioned technology, cable crowds in the fiber distribution box box body though solved, joint is many, it is loaded down with trivial details to continue, optical fiber/optical cable is impaired problem easily, can also adopt and draw the mode that connects difference and realize difference cloth fibre from the building to user, but the fiber count between its input optical cable and the subscriber optical cable still be man-to-man corresponding relation, promptly import a optical fiber in the optical cable by the fibre junction in welding mode or the same optical cable of registering one's residence of the sub-continuation method of condensation.But development along with FTTX, especially in the development process of FTTH, the distance that cable inserts progressively shortens, and need draw a large amount of user's optical fiber near user side, the quantity of user access networks is big, complex structure, in this case, the man-to-man corresponded manner of optical fiber between input optical cable and the subscriber optical cable will limit extendible user's number, the dilatation amount of limit fibre communication.
The utility model content
Technical problem to be solved in the utility model is that fiber distribution box of the prior art adopts man-to-man mode to continue the optical fiber of input signal and the optical fiber of output signal, be unfavorable for the dilatation of optical communication network, and then provide a kind of can be with one road input signal demultiplexing signal, and then the fiber distribution box of the dilatation effect that realizes 1 couple of N of can continuing with the optical fiber of many output signals.
For achieving the above object, the utility model provides a kind of fiber distribution box, comprise box body and lid, but described lid clip is combined on the described box body and forms cavity, be provided for the fixed head of fixed fiberoptic connector in the described box body, be provided with fused fiber splice dish and the optical cable fixing device that is used for fixing optical cable in the described box body, described optical cable is fixed by described optical cable fixing device after by fiber distribution box, also be provided with the light-dividing device that distributes light signal in the described box body, the input interface of described light-dividing device is connected with the joints of optical fibre by the output tail optical fiber respectively with output interface, input optical signal in the described fused fiber splice dish enters described light-dividing device through the output tail optical fiber after transferring to the joints of optical fibre by the input tail optical fiber again, and described light-dividing device transfers to the joints of optical fibre after the input tail optical fiber transfers to user side through the output tail optical fiber after light signal is assigned as multipath light signal again.
Described light-dividing device is the optical branching device with M input end and N output terminal, and wherein N is the integral multiple of M, and described M is a natural number.
The described joints of optical fibre are at least M+N, and wherein M the joints of optical fibre are connected with the input end of described optical branching device, and all the other N joints of optical fibre are connected with the output terminal of described optical branching device.
Described fiber distribution box is provided with a microscler fiber channel, and described optical cable can pass described microscler fiber channel.
Described light-dividing device and described output tail optical fiber are positioned at a side of described fixed head, at the opposite side of described fixed head described fused fiber splice dish and described optical cable fixing device are set.
Described microscler fiber channel is arranged on the position relative with described optical cable fixing device with described fused fiber splice dish.
Described fused fiber splice dribbling has a cover plate, but described cover plate clip is combined on the described fused fiber splice dish.
Described optical cable fixing device is a binding strap.
Described lid is stainless steel lid or cold-rolled steel sheet lid or plastic-steel moulding lid.
The described box body of described lid is crossed metal bracelet and is connected.
The beneficial effects of the utility model have:
(1) the utility model road light signal of adopting optical branching device to import is divided into the N road, can connect the output of N road after the input of such one road signal, increase greatly and can connect number of users, make things convenient for the dilatation of optical communication network, and need not increase the dilatation cost, the cost cost of every line dilatation is lower than 30 yuans;
(2) the optical cable through hole is set to microscler fiber channel in the utility model, can support the optical cable vertical profile to put in a skylight and draw connection technology, can satisfy the requirement of the continuous cable of optical cable in the project implementing process;
(3) the utility model adopts cold-pressed steel plate or corrosion resistant plate or plastic-steel moulding lid, has the excellent waterproof function, fiber distribution box described in the utility model simultaneously also has good Corrosion Protection, although also can not influence its serviceable life because of moist, corrosion for the open air use;
(4) the utility model overall volume is little, compact conformation, and profile is small and exquisite, is convenient to the quick layout in the engineering, improves operating efficiency.
Description of drawings
Inner structure synoptic diagram when Fig. 1 opens for fiber distribution box described in the utility model;
Fig. 2 is the working state schematic representation of fiber distribution box box body described in the utility model;
Among the figure: 1, box body 2, lid 3, optical branching device 41, output tail optical fiber 42, input tail optical fiber 5, fusion joining disk 6, the joints of optical fibre 7, binding strap 8, input optical cable 9, subscriber optical cable 10, microscler fiber channel 11, fixed head
Embodiment
Below in conjunction with drawings and the specific embodiments the utility model is further specified.
Embodiment 1
Fiber distribution box as shown in Figure 1, comprise box body 1 and lid 2, but described lid 2 clips are combined on the described box body 1 and form cavity, be provided for the fixed head 11 of fixed fiberoptic connector 6 in the described box body 1, be provided with fused fiber splice dish 5 and the optical cable fixing device that is used for fixing optical cable in the described box body 1, described optical cable is fixed by described optical cable fixing device after by fiber distribution box, also be provided with the light-dividing device that distributes light signal in the described box body 1, the input interface of described light-dividing device is connected with the joints of optical fibre 6 by output tail optical fiber 41 respectively with output interface, input optical signal in the described fused fiber splice dish 5 enters described light-dividing device through output tail optical fiber 41 after transferring to the joints of optical fibre 6 by input tail optical fiber 42 again, and described light-dividing device transfers to the joints of optical fibre 6 after input tail optical fiber 42 transfers to user side through output tail optical fiber 41 after light signal is assigned as multipath light signal again.
Described light-dividing device is the optical branching device 3 with M input end and N output terminal, and wherein N is the integral multiple of M, and described M is a natural number.The described joints of optical fibre 6 are at least M+N, and wherein M the joints of optical fibre are connected with the input end of described optical branching device, and all the other N joints of optical fibre are connected with the output terminal of described optical branching device 3.
Described light-dividing device and described output tail optical fiber 41 are positioned at a side of described fixed head 11, at the opposite side of described fixed head 11 described fused fiber splice dish 5 and described optical cable fixing device are set.Described optical cable fixing device is a binding strap 7.
In the present embodiment, select the optical branching device of 2x16, two input interfaces and 16 output interfaces are arranged, the joints of optical fibre are 18, are arranged as two rows on fixed head, have used an input interface and eight output interfaces of optical branching device shown in the figure.
During concrete the use, input optical cable 8 and subscriber optical cable 9 are fixed by group's band 7 after passing and entering fiber distribution box, choosing suitable position after fixing peels off the crust of optical cable, the fiber reel that will expose is on fused fiber splice dish 5, optical fiber in the input optical cable and the optical fiber in the subscriber optical cable are made a distinction, for understanding the optical fiber that we claim to import in the optical cable easily is input optical fibre, and the optical fiber in the subscriber optical cable is user's optical fiber.Extracting an input optical fibre out is connected with a certain joints of optical fibre 6 by input tail optical fiber 42, the other end of these joints of optical fibre 6 joins by the input interface of output tail optical fiber 41 with optical branching device 3, optical branching device 3 is divided into 8 road signals with this light signal, utilize 8 output tail optical fibers 41 that the output interface of optical connector 3 is connected with eight joints of optical fibre 6, eight road signals and the user's optical fiber of selecting 1 to 8 tail optical fiber to export as required link together, thus, just realized giving 8 root user optical fiber with the signal allocation of an input optical fibre.
Described fused fiber splice dish 5 has a cover plate, but described cover plate clip be combined on the described fused fiber splice dish 5, to realize the protection to optical fiber, described cover plate is fixed by screw after being fastened on the described fused fiber splice dish 5.
Embodiment 2
On the basis of embodiment 1, can on fiber distribution box, be provided with a microscler fiber channel 10, described optical cable can pass described microscler fiber channel, and described microscler fiber channel 10 is arranged on the position relative with described optical cable fixing device with described fused fiber splice dish 5.The vertical profile that can support to import optical cable 8 and subscriber optical cable 9 puts in a skylight and draws connection technology, can satisfy the requirement of the continuous cable of optical cable in the project implementing process
Embodiment 3
Because the environment for use of fiber distribution box is outdoor, therefore consider waterproof, etch-proof performance, the lid among embodiment 1 and the embodiment 2 can be chosen as stainless steel lid or cold-rolled steel sheet lid or plastic-steel moulding lid with good waterproof anti-corrosion performance.
Embodiment 4
On the basis with embodiment 1 and embodiment 2 and embodiment 3, by rational deployment to each parts of fiber distribution box inside, under the prerequisite that does not influence function, dwindle the volume of fiber distribution box, so that the quick cloth matter in the engineering, improve operating efficiency, preferably, after described lid 2 was fastened on the described box body 1, the specification of its profile is: length was 32cm, width is 22.5cm, highly is 5.8cm.
The above only is preferred embodiment of the present utility model, and is in order to restriction the utility model, not all within spirit of the present utility model and principle, any modification of being done, is equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.

Claims (10)

1. fiber distribution box, comprise box body (1) and lid (2), described lid (2) but clip is combined in described box body (1) go up to form cavity, be provided for the fixed head (11) of fixed fiberoptic connector (6) in the described box body (1), be provided with fused fiber splice dish (5) in the described box body (1) and be used for fixing the optical cable fixing device of optical cable, described optical cable is fixed by described optical cable fixing device after by fiber distribution box, it is characterized in that:
Also be provided with the light-dividing device that distributes light signal in the described box body (1), the input interface of described light-dividing device is connected with the joints of optical fibre (6) by output tail optical fiber (41) respectively with output interface, input optical signal in the described fused fiber splice dish (5) enters described light-dividing device through output tail optical fiber (41) after transferring to the joints of optical fibre (6) by input tail optical fiber (42) again, and described light-dividing device transfers to the joints of optical fibre (6) after input tail optical fiber (42) transfers to user side through output tail optical fiber (41) after light signal is assigned as multipath light signal again.
2. fiber distribution box according to claim 1 is characterized in that:
Described light-dividing device is the optical branching device (3) with M input end and N output terminal, and wherein N is the integral multiple of M, and described M is a natural number.
3. fiber distribution box according to claim 2 is characterized in that:
The described joints of optical fibre (6) are at least M+N, and wherein M the joints of optical fibre are connected with the input end of described optical branching device (3), and all the other N joints of optical fibre are connected with the output terminal of described optical branching device (3).
4. fiber distribution box according to claim 3 is characterized in that:
Described fiber distribution box is provided with a microscler fiber channel (10), and described optical cable can pass described microscler fiber channel (10).
5. fiber distribution box according to claim 4 is characterized in that:
Described light-dividing device and described output tail optical fiber (41) are positioned at a side of described fixed head (11), at the opposite side of described fixed head (11) described fused fiber splice dish (5) and described optical cable fixing device are set.
6. fiber distribution box according to claim 5 is characterized in that:
Described microscler fiber channel (10) is arranged on the position relative with described optical cable fixing device with described fused fiber splice dish (5).
7. according to the arbitrary described fiber distribution box of claim 1-6, it is characterized in that:
Described fused fiber splice dish (5) has a cover plate, but described cover plate clip is combined on the described fused fiber splice dish (5).
8. fiber distribution box according to claim 7 is characterized in that:
Described optical cable fixing device is binding strap (7).
9. fiber distribution box according to claim 8 is characterized in that:
Described lid (2) is stainless steel lid or cold-rolled steel sheet lid or plastic-steel moulding lid.
10. fiber distribution box according to claim 9 is characterized in that:
Described lid (2) is connected by metal bracelet with described box body (1).
CN2010206865996U 2010-12-29 2010-12-29 Fiber distribution box Expired - Fee Related CN201909870U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2010206865996U CN201909870U (en) 2010-12-29 2010-12-29 Fiber distribution box

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Application Number Priority Date Filing Date Title
CN2010206865996U CN201909870U (en) 2010-12-29 2010-12-29 Fiber distribution box

Publications (1)

Publication Number Publication Date
CN201909870U true CN201909870U (en) 2011-07-27

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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN103926667A (en) * 2014-04-14 2014-07-16 华为技术有限公司 Optical fiber home-entry device
CN105676350A (en) * 2016-03-03 2016-06-15 博创科技股份有限公司 Packaging structure of arrayed waveguide grating module and preparation method
CN105824091A (en) * 2016-05-30 2016-08-03 河南昊方通信工程技术有限公司 Multi-branch cable wiring box
CN106249365A (en) * 2015-06-15 2016-12-21 成都前宏通讯有限责任公司 A kind of simple cable junction box of Multifunction
CN108761687A (en) * 2018-06-25 2018-11-06 南京铁道职业技术学院 A kind of novel optical fiber access case
CN109814218A (en) * 2019-04-08 2019-05-28 中天宽带技术有限公司 A kind of quick expansion-type cable splice closure of non-opening
RU203156U1 (en) * 2020-10-07 2021-03-24 Закрытое Акционерное Общество "Связьстройдеталь" Optical splitter module housing
CN113820812A (en) * 2021-11-23 2021-12-21 华海通信技术有限公司 Sea and land cable connecting equipment

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN103926667A (en) * 2014-04-14 2014-07-16 华为技术有限公司 Optical fiber home-entry device
WO2015158121A1 (en) * 2014-04-14 2015-10-22 华为技术有限公司 Fiber to home device
CN103926667B (en) * 2014-04-14 2016-03-30 华为技术有限公司 Fiber entering household device
RU2624405C2 (en) * 2014-04-14 2017-07-03 Хуавей Текнолоджиз Ко., Лтд. Device for supplying fiber optic into house
CN106249365A (en) * 2015-06-15 2016-12-21 成都前宏通讯有限责任公司 A kind of simple cable junction box of Multifunction
CN105676350A (en) * 2016-03-03 2016-06-15 博创科技股份有限公司 Packaging structure of arrayed waveguide grating module and preparation method
CN105824091A (en) * 2016-05-30 2016-08-03 河南昊方通信工程技术有限公司 Multi-branch cable wiring box
CN108761687A (en) * 2018-06-25 2018-11-06 南京铁道职业技术学院 A kind of novel optical fiber access case
CN109814218A (en) * 2019-04-08 2019-05-28 中天宽带技术有限公司 A kind of quick expansion-type cable splice closure of non-opening
RU203156U1 (en) * 2020-10-07 2021-03-24 Закрытое Акционерное Общество "Связьстройдеталь" Optical splitter module housing
CN113820812A (en) * 2021-11-23 2021-12-21 华海通信技术有限公司 Sea and land cable connecting equipment

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20110727

Termination date: 20161229