CN202166770U

CN202166770U - Outdoor direct-connection plug type optical splitter for FTTX

Info

Publication number: CN202166770U
Application number: CN 201120268612
Authority: CN
Inventors: 吴体荣; 史红兰; 崔浩; 龚立
Original assignee: Nanjing Huamai Technology Co Ltd
Priority date: 2011-07-27
Filing date: 2011-07-27
Publication date: 2012-03-14
Anticipated expiration: 2021-07-27

Abstract

The utility model discloses an outdoor direct-connection plug type optical splitter for FTTX, comprising a base and a box body, wherein the box body is externally fixed with a stripped grounding device by an optical cable; a trunk cable in the box body enters in a trunk area module by a white line ring, is fused and connected with tail fiber and is connected with the input terminal of a plug type optical splitter module by a large wire ring; a wiring fiber cable enters in a wiring area module by the white line ring, is fused with the tail fiber and is connected with the output terminal of the plug type optical splitter module by the large wire ring; and a route which is not opened temporarily is stored in a spare route storage module by the large wire ring. The design of the plug type optical splitter meets the requirement of the optical splitter with small splitting ratio and has strong generality; the modules at the trunk side and the wiring side are designed to be in a direct-connection mode so that the attenuation and the failure points are reduced and simultaneously the cost is also reduced; a spare route storage module is provided and used for storing routes that are not used temporarily; and the spare route storage module can be marked and can be found conveniently.

Description

A kind of FTTX is with outdoor direct-connected inserted sheet optical branching device case

Technical field

The utility model relates to a kind of direct-connected inserted sheet optical branching device case of the communications industry, relates in particular to the optical branching device case that is used for the FTTX engineering, belongs to the communication network device technical field.

Background technology

At present, under the overall situation of FTTX develop rapidly, the outdoor optical cable cross-connecting box all can require to place optical branching device.But current product does not on the market go out at optical fiber under the situation of casing still to adopt cross-connection system, makes idle route store nowhere; Cost, attenuation remain further to be reduced; Optical branching device is placed in the pallet, because each producer's pallet dimension is different, therefore can't be general; The optical branching device of little splitting ratio is placed in the pallet can't full configuration, causes casing density to reduce; Backbone optical cable and optical distribution cable are connected after the welding open-minded respectively with jumping fiber, the whole box body cost is higher, and communication failure point is many, Insertion Loss is high, is unfavorable for follow-up maintenance; In the scheme of secondary beam split, the optical branching device of little splitting ratio does not have specific container, management inconvenience.

Summary of the invention

To the deficiency of traditional product, the utility model provides a kind of direct-connected inserted sheet optical branching device case, and the technical scheme that it adopted is: comprise base and casing, it is characterized in that said casing outside is an optical cable fixation peeling earthing device; The backbone optical cable of said box house is connected through the input end of big wire loop with inserted sheet optical branching device module after getting into trunk region module and tail optical fiber welding through the white line ring; Be connected through the output terminal of big wire loop with inserted sheet optical branching device module after the entering distribution area module of optical distribution cable through the white line ring and the tail optical fiber welding, the said route that wouldn't open is stored in the route memory module of leaving unused through big wire loop.Said optical cable fixation peeling earthing device is arranged at the front of said cabinet shell, and the optical cable fixation kit is with the fixing optical cable of larynx hoop, and optical cable strengthening core is through its ground connection;

Said trunk region module, distribution area module are positioned at the box house top, and inserted sheet optical branching device module is positioned at the box house middle part, and idle route memory module is positioned at the below of box house; Said optical cable through trunk region module, distribution area module after with the tail optical fiber welding after directly do not draw pallet.Said idle route memory module is divided into storage boxlike and 12 and deposits fine seat strip type.

The beneficial effect of the utility model is: the blade inserting optical branching device aims at the optical branching device design of little splitting ratio, highly versatile simple in structure, and it is convenient to change; Realize the direct-connected theory of transmission contact in the casing, reduced adapter and jumping fiber, thereby reduced line cost, reduced the communication failure point, reduced Insertion Loss, promoted network security; Distribution area tail optical fiber fixed length, and be equipped with orderly tail optical fiber administrative center is used, maintenance interface is clear, and has thoroughly solved the problem of idle route storage and sign.

Description of drawings

Fig. 1 is that 12 of the utility model embodiment deposit fine seat strip type storage organization synoptic diagram.

Fig. 2 is the boxlike storage organization synoptic diagram of the utility model embodiment.

Embodiment

Below in conjunction with accompanying drawing and specific embodiment the utility model is done further detailed explanation.

The optical branching device case of the utility model is applicable to the one-level optical splitting point of secondary beam split in the FTTX network.Its distribution side and trunk side adopt direct-connected tactic pattern; Optical branching device adopts the blade inserting structure; Utilize traditional 288 core fiber cable cross connection box casings; Tail optical fiber fixed length after trunk side, the welding of distribution side is also directly drawn, and the route of opening immediately directly is connected with optical branching device, and the route that wouldn't open is managed in tail optical fiber administrative center.To several defectives of traditional fiber cable cross connection box, the technical scheme that the utility model adopted is: 1) optical branching device is designed to the blade inserting structure, each blade inserting shunt maximum can be placed 1/8 optical branching device; 2) adopt the direct-connected pallet of patent in distribution area and trunk region, make and directly draw pallet after tail optical fiber and the optical cable welding, and not be used in terminal on the adapter; 3) idle route memory module, the route that storage is not temporarily opened are set.Its concrete structure is: as shown in Figure 1, optical cable gets into casing 2 through base 1, on optical cable fixation peeling earthing device 3, fixes and open stripping with the larynx hoop, with optical cable strengthening core ground connection.Optical cable fixation peeling earthing device 3 is arranged at the front of casing 2 shells, and trunk region module 6, distribution area module 7 are positioned at casing 2 inner and upper, and inserted sheet optical branching device module 9 is positioned at casing 2 inner middle parts, and idle route memory module 4 is positioned at the below of casing 2 inside.After opening stripping; Backbone optical cable gets into trunk region module 6 and tail optical fiber welding through the management of white line ring 5; Optical distribution cable gets into distribution area module 7 and tail optical fiber welding through the management of white line ring 5; The tail optical fiber that welding finishes not terminal directly goes out pallet, and through the management of excessive wire loop 8, the tail optical fiber that trunk region is drawn is connected with the input end of inserted sheet optical branching device module 9; Tail optical fiber such as the needs that draw the distribution area are opened route, and then the output terminal with inserted sheet optical branching device module 9 is connected.The route that wouldn't open can be in idle route memory module 4 storages through the management of big wire loop 8, every corresponding position of idle route, and correspondence is carried out identification record one by one, conveniently opens maintenance in the future; Also can be in idle route memory module storage, each pallet is drawn fine corresponding memory cartridge stores.

Fig. 2 is the boxlike storage organization synoptic diagram of the embodiment of the invention.Idle route memory module 10 (storage box) is arranged at optical cable fixation peeling device rear portion among Fig. 2.

Though the utility model with preferred embodiment openly as above; But accompanying drawing and embodiment are used for limiting the utility model; Anyly be familiar with this art; In spirit that does not break away from the utility model and scope,, all same within the protection domain of the utility model certainly when doing various variations or retouching.What therefore the protection domain of the utility model should be defined with the application's claim protection domain is as the criterion.

Claims

1. a FTTX comprises base (1) and casing (2) with outdoor direct-connected inserted sheet optical branching device case, and it is characterized in that: said casing (2) outside is an optical cable fixation peeling earthing device (3); After the inner backbone optical cable of said casing (2) gets into trunk region module (6) and tail optical fiber welding through white line ring (5), be connected through the input end of big wire loop (8) again with inserted sheet optical branching device module (9); Optical distribution cable is connected through the output terminal of said big wire loop (8) with inserted sheet optical branching device module (9) after getting into distribution area module (7) and tail optical fiber welding through said white line ring (5) again; The route that wouldn't open is stored in idle route memory module (4) through said big wire loop (8).

2. FTTX according to claim 1 is with outdoor direct-connected inserted sheet optical branching device case; It is characterized in that: said optical cable fixation peeling earthing device (3) is arranged at the front of said cabinet shell; The optical cable fixation kit is with the fixing optical cable of larynx hoop, and optical cable strengthening core is through its ground connection.

3. FTTX according to claim 1 is with outdoor direct-connected inserted sheet optical branching device case; It is characterized in that: said trunk region module (6), distribution area module (7) are positioned at the box house top; Said inserted sheet optical branching device module (9) is positioned at the box house middle part, and said idle route memory module (4) is positioned at the below of box house.

4. FTTX according to claim 1 is characterized in that with outdoor direct-connected inserted sheet optical branching device case: optical cable is not directly drawn pallet through after said trunk region module (6), distribution area module (7) and the tail optical fiber welding.

5. FTTX according to claim 1 is characterized in that with outdoor direct-connected inserted sheet optical branching device case: said idle route memory module (4) is divided into storage boxlike and 12 and deposits fine seat strip type.