CN201796162U

CN201796162U - Switch board in optical fiber switching system

Info

Publication number: CN201796162U
Application number: CN2010205193050U
Authority: CN
Inventors: 张莉
Original assignee: Individual
Current assignee: Individual
Priority date: 2010-09-03
Filing date: 2010-09-03
Publication date: 2011-04-13
Anticipated expiration: 2020-09-03

Abstract

The embodiment of the utility model provides a switch board in an optical fiber switching system, wherein a plurality of switch holes are formed on the switch board, line-circuit optical-fiber linkers used for fixing the end parts of external circuit optical fibers are inserted from one sides of the switch holes, and cord-circuit optical fiber linkers used for fixing the end parts of cord circuit optical fibers are inserted from the other sides of the switch holes. The utility model is characterized in that two sides of the switch holes are respectively provided with chamfers. The switch board has the advantages of simple structure and low processing difficult and cost.

Description

Power board in a kind of optical fiber exchange system

Technical field

The utility model belongs to technical field of optical fiber communication, relates in particular to the power board in a kind of optical fiber exchange system.

Background technology

At present, as basic bearer network---the fiber optic network of fiber-optic communications traffic, its operation maintenance work is stated and is under the original artificial mode, promptly needs manually to remove to carry out jumping fiber to the scene usually and operates the butt joint exchange that realizes between the different fiber; But be limited by the influence of factor such as loaded down with trivial details of dispersion, the Manual Switch operation in geographic position, so in routine duties manually-operated workload is huge and time-consuming, therefore how to realize that the automatic butt of fiber cores promptly is called the problem that people are concerned about very much.

At this problem, a kind of fiber full-switching equipment and method are disclosed in the Chinese patent application prospectus that on February 24th, 2010, disclosed publication number was CN101655585A, this equipment comprises the power board with a plurality of exchange holes, the two ends of every cord circuit optical fiber are separately fixed in a pair of cord circuit fiber optic links device, one end of every external fiber is fixed in the circuit optical fiber linker, the circuit optical fiber linker that drive unit will be fixed two outside line optical fiber ends that need exchange moves to idle exchange hole place insertion respectively wherein, unappropriated a pair of cord circuit fiber optic links device is moved on to target exchange hole place respectively also to be inserted wherein, thereby realize being inserted into the cord circuit fiber optic links device in the same exchange hole and the butt joint of cord circuit optical fiber in the circuit optical fiber linker and outside line optical fiber end, reach optics and connect.

But in the practice of technique scheme, a linker in cord circuit fiber optic links device and the circuit optical fiber linker is inserted into the exchange hole from the top of power board, another linker is inserted into the exchange hole from the below of power board, and this is inserted into the problem how linker the exchange hole is fixed with regard to having brought from the below.For realizing the fixing of linker, will design complicated fixed sturcture on the power board in the prior art, this has just increased the difficulty of processing of power board, thereby makes manufacturing cost higher.

The utility model content

In view of this, the purpose of this utility model is to provide the power board in a kind of optical fiber exchange system, and this power board is simple in structure, and difficulty of processing is little, and processing cost is low.

For achieving the above object, an embodiment of the present utility model provides the power board in a kind of optical fiber exchange system, form a plurality of exchange holes on it, described exchange hole is used for inserting from a side circuit optical fiber linker of fixed outer circuit optical fiber end, insert the fixedly cord circuit fiber optic links device of cord circuit optical fiber end from opposite side, the both-side opening of exchange hole is equipped with chamfering.

Preferably, above-mentioned exchange hole is divided into two parts that bore is different, and the bore of the part of wherein close insertion cord circuit fiber optic links device is greater than the bore near the part of inserting the circuit optical fiber linker.

Preferably, the step that forms between part that above-mentioned exchange hole medium caliber is bigger and the less part offsets with the end of the cutting ferrule that inserts the cord circuit fiber optic links device in the exchange hole.

Preferably, also be provided near the edge of above-mentioned power board described power board is fixed on fixed installation hole on the rack.

Preferably, the initial alignment hole is set also on the above-mentioned power board, described initial alignment hole is used for untapped cord circuit fiber optic links device and circuit optical fiber linker are inserted wherein.

The too complicated auxiliary fixed sturcture that is used for fixing cord circuit fiber optic links device and circuit optical fiber linker is not set in the power board of the optical fiber exchange system that the utility model provides, with respect to power board of the prior art, the structure of the exchange hole of the power board that the utility model provides is more simple, greatly reduce the difficulty of processing of whole power board, also reduced processing cost.

Description of drawings

In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below is embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.

Fig. 1 is the axonometric drawing of the power board of the optical fiber exchange system that provides of the utility model embodiment;

Fig. 2 is the vertical view of the power board among Fig. 1;

Fig. 3 is the upward view of the power board among Fig. 1;

Fig. 4 is that the A-A of the power board among Fig. 1 is to cut-open view;

Fig. 5 is the partial enlarged drawing of area B among Fig. 4;

Fig. 6 is the working state schematic representation of the power board of the exchange system that provides of the utility model embodiment;

Fig. 7 is the partial enlarged drawing of zone C among Fig. 6.

Embodiment

For the purpose, technical scheme and the advantage that make the utility model embodiment clearer, below in conjunction with the accompanying drawing among the utility model embodiment, technical scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the utility model protection.

The axonometric drawing of the power board of the optical fiber exchange system that Fig. 1 provides for the utility model embodiment, Fig. 2 is the vertical view of the power board among Fig. 1, Fig. 3 is the upward view of the power board among Fig. 1, Fig. 4 be the A-A of the power board among Fig. 1 to cut-open view, Fig. 5 is the partial enlarged drawing of area B among Fig. 4.Please be simultaneously referring to Fig. 1 to Fig. 5, form a plurality of exchange holes 2 on the power board 1 that the utility model embodiment provides, exchange hole 2 is used for inserting from a side circuit optical fiber linker of fixed outer circuit optical fiber end, inserts the fixedly cord circuit fiber optic links device of cord circuit optical fiber end from opposite side.

Exchange hole 2 is divided into two parts that bore is different, and the bore of the part 21 of wherein close insertion cord circuit fiber optic links device is greater than the bore near the part 22 of inserting the circuit optical fiber linker.Because cord circuit fiber optic links device is inserted into the cutting ferrule that is partly with in the exchange hole 2, and the part that the circuit optical fiber linker is inserted in the exchange hole 2 is a lock pin, in exchange hole 2, the lock pin of circuit optical fiber linker is inserted in the cutting ferrule of cord circuit fiber optic links device, and the bore of part 21 that therefore is used for the exchange hole 2 of ccontaining cutting ferrule is greater than the bore of the part 22 of the exchange hole that is used for ccontaining lock pin.Both-side opening at exchange hole 2 is equipped with chamfering, even there is trickle deviation mechanical arm the position that circuit optical fiber linker or cord circuit fiber optic links device are moved and the position in actual exchange hole 2 like this, chamfering that also can be by exchange hole 2 both-side opening places makes level and smooth being inserted in the exchange hole 2 of circuit optical fiber linker or cord circuit fiber optic links device.

Form step 23 between part 21 that bore in the exchange hole 2 is bigger and the less part 22, when the cutting ferrule with cord circuit fiber optic links device is inserted in the exchange hole 2, this step 23 offsets with the end of cutting ferrule in exchange hole of cord circuit fiber optic links device, to limit cord circuit fiber optic links device insertion depth in being inserted into the exchange hole process.

In addition, can also be provided near the edge of the power board in the present embodiment 1 this power board is fixed on fixed installation hole 3 on the rack.

The initial alignment hole of reserving for initial alignment specially can also be set on power board 1, and this initial alignment hole is used for untapped cord circuit fiber optic links device and circuit optical fiber linker are inserted wherein.

In practice, when power board 1 horizontal positioned was used, the part 21 that the bore of exchange hole 2 is bigger can be positioned at the top of the less part of bore 22.

Below describe the user mode of the power board among the utility model embodiment in detail with a concrete example.

Fig. 6 shows the user mode synoptic diagram of the power board that the utility model embodiment provides, and Fig. 7 is the partial enlarged drawing of zone C among Fig. 6.In the present embodiment, two outside line optical fiber that need exchange connect together by a cord circuit optical fiber, thereby realize exchanging light signal between two outside line optical fiber, therefore the circuit optical fiber linker that also just needs the optical fiber head of the cord circuit fiber optic links device of the fixing optical fiber head of cord circuit optical fiber and fixed outer circuit optical fiber, insert wherein from the both sides of exchange hole respectively, thereby the optical fiber head of realizing cord circuit optical fiber docks with the optical fiber head of outside line optical fiber.

In Fig. 6 and Fig. 7, cord circuit fiber optic links device 5 is inserted into the exchange hole 2 from the top of power board, and the optical fiber head 7 of cord circuit optical fiber is installed in the cord circuit fiber optic links device 5.Only show near the structure the cutting ferrule 51 of cord circuit fiber optic links device 5 among Fig. 6 and Fig. 7, cutting ferrule 51 is inserted in the exchange hole 2, and cutting ferrule 51 in exchange hole 2 an end and the step 23 in the exchange hole 2 offset, can limit the insertion depth of cord circuit fiber optic links device like this by step 23, the working position of cord circuit fiber optic links device 5 is positioned.

Circuit optical fiber linker 6 is inserted into the exchange hole 2 from the below of power board, and the optical fiber head 8 of outside line optical fiber is installed in the circuit optical fiber linker 6.Only show near the structure the lock pin 61 of circuit optical fiber linker 6 among Fig. 6 and Fig. 7, lock pin 61 is inserted in the exchange hole 2, and in exchange hole 2, lock pin 61 finally is inserted in the cutting ferrule 51 of cord circuit fiber optic links device 5.The optical fiber head 7 that is arranged in the cord circuit optical fiber of cord circuit fiber optic links device 5 connects with the optical fiber head 8 that is arranged in the circuit optical fiber of circuit optical fiber linker 6, thereby the optics of having finished between circuit optical fiber and the cord circuit optical fiber connects.

In the power board in the optical fiber exchange system that present embodiment provides, the too complicated auxiliary fixed sturcture that is used for fixing cord circuit fiber optic links device and circuit optical fiber linker is not set, even circuit fiber links device is inserted from the below of power board, and cord circuit fiber optic links device is inserted from the top of power board, the cutting ferrule that circuit optical fiber linker below being arranged in also can be positioned at the cord circuit fiber optic links device of top clamps, and comes off easily in case be positioned at the cord circuit fiber optic links device of below.With respect to baroque power board in the prior art, the power board that the utility model embodiment provides is under the prerequisite that can realize cord circuit optical fiber and outside line fiber alignment equally, structure is more simple, has greatly reduced the difficulty of processing of whole power board, has also reduced processing cost.

The above only is a preferred implementation of the present utility model; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.

Claims

1. the power board in the optical fiber exchange system, form a plurality of exchange holes on it, described exchange hole is used for inserting from a side circuit optical fiber linker of fixed outer circuit optical fiber end, insert the fixedly cord circuit fiber optic links device of cord circuit optical fiber end from opposite side, it is characterized in that the both-side opening of described exchange hole is equipped with chamfering.

2. the power board in the optical fiber exchange system according to claim 1, it is characterized in that, described exchange hole is divided into two parts that bore is different, and wherein, the bore of the part of close insertion cord circuit fiber optic links device is greater than the bore near the part of inserting the circuit optical fiber linker.

3. the power board in the optical fiber exchange system according to claim 2 is characterized in that, the step that forms between part that described exchange hole medium caliber is bigger and the less part offsets with the end that is inserted into the cutting ferrule of the cord circuit fiber optic links device in the exchange hole.

4. according to the power board in any described optical fiber exchange system in the claim 1 to 3, it is characterized in that, also be provided near the edge of described power board described power board is fixed on fixed installation hole on the rack.

5. according to the power board of any described optical fiber exchange system system in the claim 1 to 3, it is characterized in that, the initial alignment hole also is set on the described power board, and cord circuit fiber optic links device and circuit optical fiber linker that described initial alignment hole is used for using in the future insert wherein.