CN219871886U

CN219871886U - Novel optical divider

Info

Publication number: CN219871886U
Application number: CN202320621418.9U
Authority: CN
Inventors: 吴晓鹏; 宁亚茹
Original assignee: Shenzhen Weiming Optical Communication Co ltd
Current assignee: Shenzhen Weiming Optical Communication Co ltd
Priority date: 2023-03-20
Filing date: 2023-03-20
Publication date: 2023-10-20
Anticipated expiration: 2033-03-20

Abstract

The utility model relates to a novel optical divider, which comprises a box body, wherein an optical divider body is arranged in the box body; the novel optical divider has ingenious structural design, and the input tail fiber of the optical divider body sequentially passes through the input through hole and the optical fiber sheath and then is welded with the light outside the box body, so that the optical signal uplink is realized, the loss of an optical fiber link is reduced, and the length of the input tail fiber extending out of the optical fiber sheath is not limited, so that the length of the input tail fiber can be flexibly adjusted, and the site construction is more convenient; the optical fiber connector and the interface converter are matched with each other in the connection process so that the optical fibers which are convenient for interface connection can be flexibly connected, the reliability of an optical fiber link is improved, and the requirements of on-site wiring can be met.

Description

Novel optical divider

Technical Field

The utility model relates to the technical field of optical fiber equipment, in particular to a novel optical splitter.

Background

An optical splitter is one of the most important passive devices in an optical fiber link, and is an optical fiber splicing device having a plurality of input ends and a plurality of output ends. With the construction of large-scale optical communication networks, optical splitters are widely used in optical fiber networks. We generally express that m×n (M and N are both positive integers) has M input ends and N output ends, and is mainly applied to a passive optical network distribution system for uniformly distributing optical power.

Conventional optical splitters are of several types: bare fiber type optical branching device, miniature optical branching device, box type optical branching device, inserting sheet type optical branching device, frame type optical branching device, etc.; the input end and the output end of the bare fiber type optical divider are both bare fibers, the input end and the output end of the miniature optical divider and the box type optical divider are both pigtails with connectors, and the input end and the output end of the inserting sheet type optical divider and the frame type optical divider are both converter type interfaces;

under specific application scenes, the output port needs to be flexibly connected by using the optical fiber connector and the converter, the input port needs to be directly welded and connected by optical fibers, the loss of an optical fiber link is reduced, the reliability of the optical fiber link is improved, and the traditional optical splitter interface type cannot meet the field wiring requirement.

Disclosure of Invention

The technical problem to be solved by the utility model is to provide a novel optical splitter aiming at the defects in the prior art.

The technical scheme adopted for solving the technical problems is as follows: a novel optical branching device comprises a box body; an optical divider body is arranged in the box body; the input end of the optical divider body is provided with an input tail fiber, and the output end of the optical divider body is provided with a plurality of output tail fibers; the box body is provided with an input through hole for the input tail fiber to pass through and a plurality of output ports matched with the output tail fiber; an optical fiber sheath for protecting the input tail fiber is fixedly arranged on the outer side of the box body; the input tail fiber sequentially passes through the input through hole and the optical fiber sheath to be welded with an external optical fiber; the output port is fixedly provided with a connecting component for connecting the output tail fiber with an external optical fiber; the connecting component comprises an optical fiber connector connected with the output tail fiber and an interface converter detachably connected with an external optical fiber connector; the interface converter is fixedly connected with the optical fiber connector;

the novel optical divider disclosed by the utility model is characterized in that a plurality of connecting assemblies and the optical fiber sheaths are all positioned on the same side of the optical divider body;

the novel optical branching device is characterized in that a fixing plate for fixing a plurality of interface converters is fixedly arranged in the box body; the fixed plate is provided with a plurality of clamping grooves which are in one-to-one correspondence with the output ports and through grooves for the input tail fibers to pass through; an outward tilted elastic sheet is arranged on the outer side surface of the interface converter; the interface converter is clamped on the clamping groove through the elastic sheet;

the novel optical splitter provided by the utility model, wherein at least one part of one end of the interface converter connected with an external optical fiber connector protrudes out of the output port;

the novel optical branching device comprises a plurality of connecting components which are arranged in a matrix, wherein the connecting components are positioned on the same side of an optical fiber sheath;

the utility model relates to a novel optical branching device, wherein the box body comprises a panel, an upper shell and a lower shell; the upper shell and the lower shell are mutually buckled to form a hollow container with one side open; the panel is fixedly covered on the hollow container; the input through holes and the output ports are all positioned on the panel; the optical splitter body is fixedly arranged on the inner wall of the side, opposite to the panel, of the lower shell;

the novel optical branching device comprises a fixing plate, wherein connecting plates attached to the inner side wall of a lower shell are fixedly arranged on two sides of the fixing plate respectively; at least one threaded hole is formed in the connecting plate; the lower shell is provided with a plurality of countersunk holes corresponding to the threaded holes; the connecting plate is fixedly connected with the lower shell through the locking screw rod penetrating through the counter bore and being in threaded connection with the corresponding threaded hole;

the novel optical branching device is characterized in that at least one lock catch component is further arranged on the box body; the box body is fixed in external equipment through the lock catch assembly.

The utility model has the beneficial effects that: the novel optical divider has ingenious structural design, and the input tail fiber of the optical divider body sequentially passes through the input through hole and the optical fiber sheath and then is welded with the light outside the box body, so that the optical signal uplink is realized, the loss of an optical fiber link is reduced, and the length of the input tail fiber extending out of the optical fiber sheath is not limited, so that the length of the input tail fiber can be flexibly adjusted, and the site construction is more convenient; the optical fiber connector and the interface converter are matched with each other in the connection process so that the optical fibers which are convenient for interface connection can be flexibly connected, the reliability of an optical fiber link is improved, and the requirements of on-site wiring can be met.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the present utility model will be further described with reference to the accompanying drawings and embodiments, in which the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained by those skilled in the art without inventive effort:

FIG. 1 is an exploded view of a novel optical splitter according to a preferred embodiment of the present utility model;

fig. 2 is an exploded view of a novel optical splitter according to a preferred embodiment of the present utility model.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the following description will be made in detail with reference to the technical solutions in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by a person skilled in the art without any inventive effort, are intended to be within the scope of the present utility model, based on the embodiments of the present utility model.

The novel optical splitter of the preferred embodiment of the utility model, as shown in fig. 1-2, comprises a box body 10; an optical splitter body 11 is arranged in the box body 10 and is used for distributing optical signals; the input end of the optical splitter body 11 is provided with an input tail fiber 12, and the output end is provided with a plurality of output tail fibers 13; the optical splitter body 11 includes a hollow steel pipe and a PLC optical splitter disposed in the hollow steel pipe; the input tail fibers 12 are connected with the input end of the PLC optical splitter, the plurality of output tail fibers 13 are connected with the plurality of output ends of the PLC optical splitter one to one, and the optical signal propagation is stable; the input tail fiber and the plurality of output tail fibers are arranged in the middle of the box body and can be orderly coiled; the box body 10 is provided with an input through hole 101 for the input tail fiber 12 to pass through and a plurality of output ports 102 matched with the output tail fiber 13; the outer side of the box body 10 is fixedly provided with an optical fiber sheath 14 for protecting the input tail fiber 12; the input tail fiber 12 sequentially passes through the input through hole 101 and the optical fiber sheath 14 to be welded with external optical fibers, so that the optical fiber link connection is stable; the output port 102 is fixedly provided with a connecting component 15 for connecting the output tail fiber 13 with an external optical fiber; the connection assembly 15 includes an optical fiber connector 151 connected to the output pigtail 13, and an interface converter 152 detachably connected to an external optical fiber connector; the interface converter 152 is fixedly connected with the optical fiber connector 151, so that the output optical signal can be conveniently penetrated into the next-stage optical fiber through the interface converter; it should be noted that, the optical splitters have various splitting ratios of 1:2,1:4:1:8,1:16 … …, etc., and the utility model is as follows: 16 spectral ratios as an example, other applications of various spectral ratios are within the scope of the present utility model.

The novel optical divider has ingenious structural design, and the input tail fiber of the optical divider body sequentially passes through the input through hole and the optical fiber sheath and then is welded with the light outside the box body, so that the optical signal uplink is realized, the loss of an optical fiber link is reduced, and the length of the input tail fiber extending out of the optical fiber sheath is not limited, so that the length of the input tail fiber can be flexibly adjusted, and the site construction is more convenient; the optical fiber connector and the interface converter are matched with each other in the connection process so that the optical fibers which are convenient for interface connection can be flexibly connected, the reliability of an optical fiber link is improved, and the requirements of on-site wiring can be met.

Preferably, the plurality of connection assemblies 15 and the optical fiber sheath 14 are all located on the same side of the optical splitter body 11, and the circuit connection is neat and convenient to arrange.

Preferably, a fixing plate 16 for fixing the plurality of interface converters 152 is also fixed in the box body 10; the fixed plate 16 is provided with a plurality of clamping grooves 161 corresponding to the output ports 102 one by one and through grooves (not shown) for the input tail fibers to pass through; the number of the clamping grooves 151 is the same as that of the interface converters, and the sizes of the clamping grooves are 2-5 mm larger than the outer outline sizes of the interface converters; the outer side surface of the interface converter 152 is provided with an outward-tilted spring plate 153; the thickness of the plate of the fixed plate is the same as the clamping length of the elastic sheet; the interface converter 152 is clamped in the clamping groove 161 through the elastic sheet 153; the interface converter is more firmly connected with the box body.

Preferably, at least a portion of the end of the interface converter 152 connected to the external optical fiber connector protrudes out of the output port 102, so that the external optical fiber connector is convenient to connect to the interface converter, and the connection is reliable.

Preferably, the plurality of connection assemblies 15 are arranged in a matrix, and the plurality of connection assemblies 15 are all located on the same side of the optical fiber sheath 14; it is worth to say that a plurality of coupling assembling and coupling assembling all lie in the coplanar of box body, and the wiring is neat, and the outward appearance is pleasing to the eye.

Preferably, the case 10 includes a panel 103, an upper case 104, and a lower case 105; the upper shell 104 and the lower shell 105 are mutually buckled to form a hollow container with one side open; the panel 103 is fixedly covered on the hollow container; the input through holes 101 and the output ports 102 are all positioned on the panel 103; the size of the output port is the same as that of the clamping groove, and preferably, the output port and the clamping groove are square; the optical splitter body 11 is fixedly arranged on the inner wall of the side, opposite to the panel 103, of the lower shell 105, and the optical splitter body 11 is adhered to the inner wall of the box body through elastic silica gel, so that a certain anti-seismic left and right can be achieved; the connection is stable.

Preferably, the two sides of the fixed plate 16 are respectively fixedly provided with a connecting plate 162 which is attached to the inner side wall of the lower housing 105; the connecting plate 162 is provided with at least one threaded hole (not shown); the lower housing 105 is provided with a plurality of countersunk holes (not shown) corresponding to the threaded holes (not shown); the connecting plate 162 is fixedly connected with the lower housing 105 by passing through a countersunk hole (not shown) and being in threaded connection with a corresponding threaded hole (not shown) through a locking screw 163, and the assembly and the disassembly are convenient.

Preferably, the box body 10 is also provided with at least one locking component 17; the box body 10 is fixed in external equipment (not shown) through a locking assembly 17; it should be noted that, the locking assembly is a locking screw or other structures for fixing the box body in an external device such as a box body or an external wall in the prior art, which all fall within the protection scope of the present utility model.

It will be understood that modifications and variations will be apparent to those skilled in the art from the foregoing description, and it is intended that all such modifications and variations be included within the scope of the following claims.

Claims

1. The novel optical branching device is characterized by comprising a box body; an optical divider body is arranged in the box body; the input end of the optical divider body is provided with an input tail fiber, and the output end of the optical divider body is provided with a plurality of output tail fibers; the box body is provided with an input through hole for the input tail fiber to pass through and a plurality of output ports matched with the output tail fiber; an optical fiber sheath for protecting the input tail fiber is fixedly arranged on the outer side of the box body; the input tail fiber sequentially passes through the input through hole and the optical fiber sheath to be welded with an external optical fiber; the output port is fixedly provided with a connecting component for connecting the output tail fiber with an external optical fiber; the connecting component comprises an optical fiber connector connected with the output tail fiber and an interface converter detachably connected with an external optical fiber connector; the interface converter is fixedly connected with the optical fiber connector.

2. The novel optical splitter of claim 1, wherein a plurality of said connection assemblies are all located on the same side of said optical splitter body as said optical fiber jacket.

3. The novel optical splitter according to claim 1 or 2, wherein a fixing plate for fixing a plurality of the interface converters is further fixedly provided in the box body; the fixed plate is provided with a plurality of clamping grooves which are in one-to-one correspondence with the output ports and through grooves for the input tail fibers to pass through; an outward tilted elastic sheet is arranged on the outer side surface of the interface converter; the interface converter is clamped on the clamping groove through the elastic sheet.

4. The novel optical splitter according to claim 3, wherein at least a portion of an end of the interface converter connected to the external optical fiber connector protrudes from the output port.

5. The novel optical splitter according to any one of claims 1-2 and 4, wherein a plurality of said connection assemblies are arranged in a matrix, and wherein a plurality of said connection assemblies are all located on the same side of said optical fiber sheath.

6. The novel optical splitter of claim 4, wherein the box comprises a panel, an upper housing, and a lower housing; the upper shell and the lower shell are mutually buckled to form a hollow container with one side open; the panel is fixedly covered on the hollow container; the input through holes and the output ports are all positioned on the panel; the optical splitter body is fixedly arranged on the inner wall of one side of the lower shell opposite to the panel.

7. The novel optical splitter according to claim 6, wherein connecting plates attached to the inner side walls of the lower case are fixedly provided on both sides of the fixing plate, respectively; at least one threaded hole is formed in the connecting plate; the lower shell is provided with a plurality of countersunk holes corresponding to the threaded holes; the connecting plate passes through the counter sunk hole through the locking screw rod to be in threaded connection with the corresponding threaded hole so as to be fixedly connected with the lower shell.

8. The novel optical splitter according to claim 6, wherein the box body is further provided with at least one latch component; the box body is fixed in external equipment through the lock catch assembly.