CN208459645U - A kind of main distribution frame for fiber based on PON synthesis access network - Google Patents

Abstract

The utility model relates to technical field of communication equipment, disclose a kind of main distribution frame for fiber based on PON synthesis access network, it include: main distribution frame for fiber ontology, main distribution frame for fiber ontology includes first area and second area, first area, which is equipped with multiple equipment optical fiber and melts, matches unit, and second area is equipped with multiple line side optical fiber weldings and matches unit.A kind of main distribution frame for fiber based on PON synthesis access network provided by the utility model, main distribution frame for fiber ontology is divided into first area and second area, molten unit and the multiple line side optical fiber weldings of matching of multiple equipment optical fiber is respectively equipped with unit, function division is carried out to the inside of main distribution frame for fiber ontology, laying for jumping fiber is straight, the intersection and winding for avoiding jumping fiber, without using disk tow wheel, the malfunction elimination of jumping fiber and being very convenient to for jumping fiber.

Description

A kind of main distribution frame for fiber based on PON synthesis access network

Technical field

The utility model relates to technical field of communication equipment, more particularly to a kind of optical fiber based on PON synthesis access network Main frame.

Background technique

There is PON (Passive Optical Network: passive optical-fiber network) long transmission range, bandwidth height, access to hold Amount is big, good economy performance, saves the features such as resource and management easy to maintain, and PON network technology has become the mainstream skill of broadband access Art.In recent years, the PON synthesis access network backbone optical cable of domestic major telecommunications operator construction, generally there is following feature:

1) the core number of backbone optical cable is 72 multiple, generally 144 cores or 288 cores.

2) (a part is chain structure to the network structure of backbone optical cable, but final construction object is ring based on annular Shape).

3) optical fiber in backbone optical cable is based on FTTH (Fiber To The Building: fiber entering household) use, and pre- It stays a certain proportion of public fine as the use such as base station and access via telephone line.Such as: 144 core backbone optical cables reserve the public fibre of 24 cores, 288 core backbone optical cables reserve the public fibre of 48 cores.

4) optical fiber that FTTH is used uses cold protection, when optical fiber link breaks down, by maintenance personnel in local side OMDF Upper reverse graft light jumping fiber connects optical fiber link from another direction of optical cable ring.It is public fine using Thermal protection, when optical fiber link occurs When failure, it is automatically performed and is switched by equipment.

Existing fibre distribution frame includes single side fibre distribution frame and double-faced optical fiber main distributing frame.Single side fibre distribution frame, Function zoning in rack is indefinite, and interface is unintelligible, will appear in use jumping fiber routing it is unclear, it is cross one another Problem.In recent years, each telecom operators tended to select double-faced optical fiber main distributing frame, and rack front is in-line module, the back side is Row module, outdoor line cable connect in-line side, and indoor equipment optical fiber connects row side, jumping fiber before and after rack.Due to FTTH The optical fiber used uses cold protection, and equipment side terminal only takes up half, therefore the space of this distributing frame after the completion of jumping fiber is laid Service efficiency is not high, and there is also problems inconvenient for operation for cabling before and after jumping fiber.

Utility model content

(1) technical problems to be solved

The purpose of the utility model is to provide a kind of main distribution frame for fiber based on PON synthesis access network, solve existing skill Function zoning in art in single side fibre distribution frame rack is indefinite, and interface is unintelligible, will appear jumping fiber in use Route it is unclear, the problem of intersecting；It is not high to solve double-faced optical fiber main distributing frame space service efficiency in the prior art, before jumping fiber Cabling there is a problem of inconvenient for operation afterwards.

(2) technical solution

In order to solve the above-mentioned technical problem, the utility model provides a kind of total wiring of the optical fiber based on PON synthesis access network Frame, comprising: main distribution frame for fiber ontology, the main distribution frame for fiber ontology include first area and second area, and described first Region, which is equipped with multiple equipment optical fiber and melts, matches unit, and the second area is equipped with multiple line side optical fiber weldings and matches unit.

Wherein, the first area is further fixed on equipment optical cable fixed plate and outdoor optical cable fixed plate.

Wherein, the first area is located at the top half of the main distribution frame for fiber ontology, and the second area is located at The lower half portion of the main distribution frame for fiber ontology.

Wherein, the equipment optical fiber is molten with unit number consecutively from the bottom up, the line side optical fiber welding with unit from On number consecutively down, the equipment optical fiber of identical number it is molten with unit and the line side optical fiber welding with unit composition one A unit group.

Wherein, the unit group is four.

Wherein, each equipment optical fiber is molten includes 7 12 the first FIber trays of core, each line side with unit Optical fiber welding includes 12 12 the second FIber trays of core with unit.

Wherein, first FIber tray is numbered from the bottom up, and second FIber tray is numbered from top to bottom, corresponding to compile Number first FIber tray it is corresponding with second FIber tray.

Wherein, first FIber tray includes the first connecting terminal, and second FIber tray includes the second terminals Son, first connecting terminal are turned left number from the right side, and second connecting terminal is numbered from left to right, and described the of identical number One connecting terminal is corresponding with second connecting terminal.

It wherein, further include lineation ring, the lineation ring set is outside jumping fiber, for arranging the jumping fiber.

(3) beneficial effect

A kind of main distribution frame for fiber based on PON synthesis access network provided by the utility model, by main distribution frame for fiber sheet Body is divided into first area and second area, is respectively equipped with molten unit and the multiple line side optical fiber weldings of matching of multiple equipment optical fiber with single Member carries out function division to the inside of main distribution frame for fiber ontology, and laying for jumping fiber is straight, avoids the intersection of jumping fiber and twines Around, without using disk tow wheel, the malfunction elimination of jumping fiber and being very convenient to for jumping fiber.

Detailed description of the invention

Fig. 1 is a kind of main distribution frame for fiber ontology of the main distribution frame for fiber based on PON synthesis access network of the utility model Structural schematic diagram；

Fig. 2, which is that the equipment optical fiber of the utility model is molten, matches cellular construction schematic diagram；

Fig. 3 is that the line side optical fiber welding of the utility model matches cellular construction schematic diagram；

Fig. 4 is connection schematic diagram in a unit group group of the utility model；

Fig. 5 is the connection schematic diagram of the utility model the first connecting terminal and the second connecting terminal；

Fig. 6 is the structural schematic diagram of the utility model embodiment 2.

In figure, 11, first area；12, second area；13, equipment optical fiber is molten matches unit；14, line side optical fiber welding is matched Unit；15, equipment optical cable fixed plate；16, outdoor optical cable fixed plate；17, unit group；17.1, first unit group；17.2, second Unit group；17.3, third unit group；17.4, the 4th unit group；18, the first FIber tray；19, the second FIber tray；20, One connecting terminal；21, the second connecting terminal；22, jumping fiber；23, lineation ring；24, apparatus optical fiber；25, equipment optical cable；26, outdoor Optical cable；27, naked fibre casing；28, outdoor optical cable clockwise；29, outdoor optical cable counterclockwise.

Specific embodiment

With reference to the accompanying drawings and examples, specific embodiment of the present utility model is described in further detail.Below Example is not intended to limit the scope of the present invention for illustrating the utility model.

In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary, It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition The concrete meaning of language in the present invention.

It is worth noting that: following " corresponding " represent can be using the connection such as jumping fiber, optical cable, optical fiber, and " corresponding " represents A pairs A or A ' is answered, and so on, " identical " represents 1 and 1 identical, and A is identical with A, and so on.

As Figure 1-Figure 5, the utility model discloses a kind of main distribution frame for fiber based on PON synthesis access network, comprising: Main distribution frame for fiber ontology, main distribution frame for fiber ontology include first area 11 and second area 12, and first area 11 is equipped with more A equipment optical fiber is molten to match unit 13, and second area 12 is equipped with multiple line side optical fiber weldings and matches unit 14.

A kind of main distribution frame for fiber based on PON synthesis access network provided by the utility model, by main distribution frame for fiber sheet Body is divided into first area and second area, is respectively equipped with molten unit and the multiple line side optical fiber weldings of matching of multiple equipment optical fiber with single Member carries out function division to the inside of main distribution frame for fiber ontology, and laying for jumping fiber is straight, avoids the intersection of jumping fiber and twines Around, without using disk tow wheel, the malfunction elimination of jumping fiber and being very convenient to for jumping fiber.

As shown in Figure 1, first area 11 is further fixed on equipment optical cable fixed plate 15 and outdoor optical cable fixed plate 16, equipment light Cable fixed plate 15 for fixing and introducing equipment optical cable 25, lay through optical cable fixed plate by the apparatus optical fiber 24 in equipment optical cable 25 It is molten with unit 13 in equipment optical fiber；Outdoor optical cable fixed plate 16 is for fixing and introducing outdoor optical cable 26, in outdoor optical cable 26 Naked fibre casing 27 be laid in line side optical fiber welding with unit 14 through outdoor optical cable fixed plate 16.

Preferably, first area 11 is located at the top half of main distribution frame for fiber ontology, and it is total that second area 12 is located at optical fiber The lower half portion of distributing frame ontology.

Wherein, equipment optical fiber is molten with the number consecutively from the bottom up of unit 13, and line side optical fiber welding is with unit 14 from upper past Lower number consecutively, the equipment optical fiber of identical number is molten to form a unit group with unit 14 with unit 13 and line side optical fiber welding 17；Or equipment optical fiber melts and matches the number consecutively from top to bottom of unit 13, line side optical fiber welding is successively compiled from the bottom up with unit 14 Number, the equipment optical fiber of identical number is molten to form a unit group 17 with unit 14 with unit 13 and line side optical fiber welding.Such as Fig. 1 Shown, be one of embodiment: equipment optical fiber is molten, and with unit 13, number consecutively, line side optical fiber welding match unit from the bottom up 14 number consecutivelies from top to bottom, the equipment optical fiber of identical number it is molten with unit 13 and line side optical fiber welding with the composition of unit 14 one It is single to be followed successively by first unit group 17.1, second unit group 17.2, third unit group the 17.3, the 4th inside-out for a unit group 17 Tuple 17.4 ... N unit group.When laying jumping fiber 22, N unit group equipment side terminal limits and N unit group route Side terminal connects (N=1,2,3,4 etc.).The jumping fiber of each unit group is laid from respective cable tray, avoids mutually handing over Fork and winding are followed successively by first unit group jumping fiber 22, second unit group jumping fiber, third unit group jumping fiber, the 4th list inside-out Tuple jumping fiber ... N unit group jumping fiber.Preferably, as shown in Figure 1, unit group is four.

Wherein, each equipment optical fiber is molten includes 7 12 the first FIber trays of core 18, each route optical fiber with unit 13 It is molten to include 12 12 the second FIber trays of core 19 with unit 14.Preferably, the first FIber tray 18 is numbered from the bottom up, the second light Fine pallet 19 is numbered from top to bottom, and the first FIber tray 18 of identical number is corresponding with the second FIber tray 19；Or first light Fine pallet 18 is numbered from top to bottom, and the second FIber tray 19 is numbered from the bottom up, the first FIber tray 18 accordingly numbered and Two FIber trays 19 are corresponding.It as shown in Figures 2 and 3, is one of embodiment, the molten bottom in unit 13 of equipment optical fiber Two numbers A, A in portion ' two the first FIber trays 18 be it is public it is fine use (Thermal protection), remaining number is five of B-F First FIber tray 18 is that FTTH uses (cold protection)；Two number As ' of the line side optical fiber welding with the top in unit 14, A Second FIber tray 19 is public fine use (Thermal protection), and ten the second FIber trays 19 that remaining number is B-F ' make for FTTH With (cold protection), 6 the second FIber trays 19 of number A, B, C, D, E, F connect outdoor optical cable 28 clockwise, number A ', B ', C ', D ', E ', F ' 6 the second FIber trays 19 connect outdoor optical cable 29 counterclockwise.As shown in figure 4, to be one of real Apply example, when laying jumping fiber 22, the first connecting terminal of equipment side 20 limit and the second connecting terminal of line side 21 connection (N=1,2, 3,4).18 the second FIber tray of corresponding connecting line trackside A 19 of equipment side the first FIber tray of A, equipment side the first FIber tray of A ' 18 the second FIber trays of corresponding connecting line trackside A ' 19.Corresponding connecting line the trackside B or B ' second of equipment side the first FIber tray of B 18 FIber tray 19, corresponding the second FIber tray 19 of connecting line trackside C or C ' of equipment side the first FIber tray of C 18, equipment side D first Corresponding the second FIber tray 19 of connecting line trackside D or D ' of FIber tray 18, the corresponding connection line of equipment side the first FIber tray of E 18 The second FIber tray 19 of side E or E ', corresponding the second FIber tray 19 of connecting line trackside F or F ' of equipment side the first FIber tray of F 18. Laying for the jumping fiber 22 of the present embodiment is well arranged, does not intersect.

Preferably, the first FIber tray 18 includes the first connecting terminal 20, and the second FIber tray 19 includes the second terminals Son 21, the first connecting terminal 20 are turned left number from the right side, and the second connecting terminal 21 is numbered from left to right, the first wiring of identical number Terminal 20 is corresponding with the second connecting terminal 21；Or first connecting terminal 20 number from left to right, the second connecting terminal 21 is from the right side It turns left number, the first connecting terminal 20 of identical number is corresponding with the second connecting terminal 21.As shown in figure 5, being one of them When embodiment, the first FIber tray 18 and the second FIber tray 19 complete connection, identical terminal is only numbered in restriction to be connected It connects, for example, No. 1 second connecting terminal 21 of first connecting terminal, 20 connecting line trackside of equipment side 1, first wiring of equipment side 2 No. 2 second connecting terminals 21 of 20 connecting line trackside of terminal, and so on.Specifically, same unit group 17, which limits, uses length phase With jumping fiber 22, No. 1 of equipment side the first FIber tray of F 18, No. 2 ..., No. 12 connecting terminals be separately connected line side F ' second No. 1 of FIber tray 19, No. 2 ..., No. 12 connecting terminals.From equipment side No. 181 connecting terminals of the first FIber tray of F to route No. 191 connecting terminals of the second FIber tray of side F ', by measuring the jumping fiber 22 of selected 1 optimum length, the length of the jumping fiber 22 It is limited to 22 length of jumping fiber used in this unit group 17.4 unit groups 17 of the present embodiment use 4 kinds of length respectively Jumping fiber 22.22 length of jumping fiber used in same unit group 17 is identical, equipment side the first FIber tray of F 18 and line side F ' second When FIber tray 19 connects, remaining long minimum, equipment side the first FIber tray of A 18 and the second FIber tray of line side A of jumping fiber 22 When 19 connection, the remaining long maximum of jumping fiber 22.No. 1 of equipment side the first FIber tray of A 18, No. 2 ..., No. 12 connecting terminals difference Be correspondingly connected with No. 1 of the second FIber tray of line side A 19, No. 2 ..., No. 12 connecting terminals, the remaining length of 12 jumping fibers 22 is identical. Selected jumping fiber 22 in the present embodiment is equal, and facilitates unified manufacture.In the present embodiment, the additional length of jumping fiber 22 It naturally droops, does not need disk tow wheel.

Embodiment 2:

The present embodiment is substantially the same manner as Example 1, brief for description, during the description of the present embodiment, no longer Technical characteristic same as Example 1 is described, only illustrates the present embodiment difference from Example 1:

As shown in fig. 6, the present embodiment, uses 2 unit groups 17 in main distribution frame for fiber, 1 144 core outdoor optical is connected 26 ring of cable.22 quantity of jumping fiber of each unit group 17 is 7 × 12=84 root, and the jumping fiber 22 of two unit groups 17 passes through lineation ring 23 Respective cable tray is formed, avoids intersecting.Equipment side A, A ' first FIber tray 18 of two unit groups 17 connects respectively Wiring trackside A, A ' second FIber tray 19 forms the public fine protection ring (Thermal protection) of 24 cores.According to actual needs, total in optical fiber 1-4 unit group 17 can be used in distributing frame.The first FIber tray 18 of equipment side B, C, D, E, F be separately connected line side B ', C ', D ', E ', the second FIber tray of F ' 19 (outdoor optical cable is counterclockwise).When anticlockwise optical fiber link breaks down When, by way of Manual Switch jumping fiber 22, it is separately connected line side the second FIber tray B, C, D, E, F, completes side clockwise To optical fiber link connection.

A kind of main distribution frame for fiber based on PON synthesis access network provided by the utility model, by main distribution frame for fiber sheet Body is divided into first area and second area, is respectively equipped with molten unit and the multiple line side optical fiber weldings of matching of multiple equipment optical fiber with single Member carries out function division and grouping management to the inside of main distribution frame for fiber ontology, and laying for jumping fiber is straight, avoids jumping fiber Intersect and winding, the length of jumping fiber can be controlled in the range of very little, convenient for unified production, without using disk tow wheel, the event of jumping fiber Barrier investigation is very convenient to jumping fiber.

The above is only the preferred embodiments of the present utility model only, is not intended to limit the utility model, all practical at this Within novel spirit and principle, any modification, equivalent replacement, improvement and so on should be included in the guarantor of the utility model Within the scope of shield.

Claims (9)

1. a kind of main distribution frame for fiber based on PON synthesis access network characterized by comprising main distribution frame for fiber ontology, institute Stating main distribution frame for fiber ontology includes first area (11) and second area (12), and the first area (11) is equipped with multiple equipment Optical fiber is molten to match unit (13), and the second area (12) is equipped with multiple line side optical fiber weldings and matches unit (14).

2. the main distribution frame for fiber as described in claim 1 based on PON synthesis access network, which is characterized in that firstth area Domain (11) is further fixed on equipment optical cable fixed plate (15) and outdoor optical cable fixed plate (16).

3. the main distribution frame for fiber as described in claim 1 based on PON synthesis access network, which is characterized in that firstth area Domain (11) is located at the top half of the main distribution frame for fiber ontology, and the second area (12) is located at the main distribution frame for fiber The lower half portion of ontology.

4. the main distribution frame for fiber as claimed in claim 3 based on PON synthesis access network, which is characterized in that the equipment side With unit (13), number consecutively, the line side optical fiber welding match unit (14) number consecutively from top to bottom to optical fiber welding from the bottom up, The equipment optical fiber of identical number is molten to form a unit with unit (14) with unit (13) and the line side optical fiber welding Group (17).

5. the main distribution frame for fiber as claimed in claim 4 based on PON synthesis access network, which is characterized in that the unit group It (17) is four.

6. the main distribution frame for fiber based on PON synthesis access network as described in any one of claim 1-5, feature exist In each equipment optical fiber is molten to include 7 12 the first FIber trays of core (18), each route sidelight with unit (13) Fibre is molten to include 12 12 the second FIber trays of core (19) with unit (14).

7. the main distribution frame for fiber as claimed in claim 6 based on PON synthesis access network, which is characterized in that first light Fine pallet (18) is numbered from the bottom up, and second FIber tray (19) is numbered from top to bottom, first light accordingly numbered Fine pallet (18) is corresponding with the second FIber tray (19).

8. the main distribution frame for fiber as claimed in claim 7 based on PON synthesis access network, which is characterized in that first light Fine pallet (18) includes the first connecting terminal (20), and second FIber tray (19) includes the second connecting terminal (21), described First connecting terminal (20) is turned left number from the right side, and second connecting terminal (21) is numbered from left to right, identical number it is described First connecting terminal (20) is corresponding with the second connecting terminal (21).

9. the main distribution frame for fiber as claimed in claim 8 based on PON synthesis access network, which is characterized in that further include lineation Ring (23), the lineation ring (23) cover in jumping fiber (22) outside, for arranging the jumping fiber (22).