CN213302594U

CN213302594U - Active coupling alignment device for light path

Info

Publication number: CN213302594U
Application number: CN202022329203.9U
Authority: CN
Inventors: 彭蒙
Original assignee: Tri Light Wuhan Electronics Technology Co ltd
Current assignee: Tri Light Wuhan Electronics Technology Co ltd
Priority date: 2020-10-19
Filing date: 2020-10-19
Publication date: 2021-05-28
Anticipated expiration: 2030-10-19

Abstract

The utility model discloses an active coupling aligning device of light path for the lock pin of connecting the optic fibre wire jumper and the light receiving and dispatching mouth of optical engine module, interval and the setting of average level are in about base and two survey test panel on the base, the upper end of surveying test panel is equipped with the connector that is used for connecting the optical engine module, and two light receiving and dispatching mouth levels of optical engine module set up towards the back, survey test panel's front side all be equipped with one with base fixed connection's fixed block, the upper end of fixed block is equipped with gliding sliding mechanism around one can, the sliding mechanism upper end is equipped with two draw-in grooves of two lock pins that are used for fixed optic fibre wire jumper, and two lock pins of fixed optic fibre wire jumper inlay respectively and establish in two in the draw-in grooves, under the exogenic action, sliding mechanism drives two lock pin. The utility model provides an active coupling aligning device of light path prevents transportation vibrations in-process optic fibre pivoted problem.

Description

Active coupling alignment device for light path

Technical Field

The utility model relates to the field of communication technology. More specifically, the present invention relates to an optical path active coupling alignment apparatus.

Background

At present, the demand of optical modules in a data center is huge, particularly, the COB process is one of the main low-cost technical schemes for the optical modules in the AOC series.

A COB technology is that an optical transceiver chip, a driving chip, an amplifying chip and other electronic components are pasted on a circuit board, and then the optical engine module is manufactured by coupling with a lens. To complete the manufacture of the AOC optical module, the optical fiber patch cord and the optical engine module need to be matched, and most importantly, the optical fiber in the optical fiber patch cord is coupled and matched with the optical transceiver in the optical engine module.

In the manufacturing process of the optical fiber jumper, an optical fiber penetrates into the ceramic ferrule firstly, then is cured by dispensing, and then is ground to obtain the final shape of the optical fiber end face. The optical fiber can change the reflection and loss of the optical signal in the process of rotating the optical transceiving port in the optical engine module.

After the ceramic ferrule is inserted into the lens, the end face of the optical fiber has a certain distance with the lens, namely the focal length of the lens. When dust or water vapor stays in the distance in the using process of the optical module, the light path can be changed due to the difference of the refractive indexes of the dust, the water vapor and the air.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an active coupling aligning device of light path prevents the transportation vibrations in-process optic fibre pivoted problem.

To achieve these objects and other advantages in accordance with the purpose of the invention, an optical path active coupling alignment apparatus is provided, the optical transceiving port for connecting the inserting core of the optical fiber jumper and the optical engine module comprises a base and two test boards which are horizontally arranged on the base at intervals left and right, the upper end of the test board is provided with a connector for connecting the light engine module, two light receiving and transmitting ports of the light engine module are horizontally arranged backwards, the front side of the test board is provided with a fixed block fixedly connected with the base, the upper end of the fixed block is provided with a sliding mechanism capable of sliding back and forth, the upper end of the sliding mechanism is provided with two clamping grooves for fixing two inserting cores of the optical fiber jumper, the two inserting cores for fixing the optical fiber jumper are respectively embedded in the two clamping grooves, and the sliding mechanism drives the two inserting cores to move back and forth under the action of external force.

Preferably, in the above active coupling alignment apparatus for an optical path, an open slot is formed at a front side of an upper end of the fixed block, a slide block is arranged in the open slot, the slide block can be arranged in the open slot in a front-back sliding manner, the upper end of the sliding block can be provided with a limiting block in a front-back sliding manner, the upper end of the limiting block is provided with two clamping grooves, a pull rod is arranged in the open slot along the front-back direction, the front end of the pull rod is connected with the rear end of the slide block, the rear end of the sliding block passes through the inner wall of the rear side of the open slot backwards and extends to the rear side of the fixed block, an elastic part compressed along the front-rear direction is arranged between the sliding block and the inner wall of the rear side of the open slot, the front end and the rear end of the elastic piece are respectively connected with the rear end of the sliding block and the inner wall of the rear side of the open slot, and the sliding block, the limiting block, the pull rod and the elastic piece form the sliding mechanism.

Preferably, in the active coupling alignment device for optical paths, two strip-shaped through holes are arranged at the upper end of the limiting block at left and right intervals, protrusions corresponding to the two strip-shaped through holes are arranged at the upper end of the sliding block respectively, and the protrusions can be arranged in the corresponding strip-shaped through holes in a front-back sliding manner.

Preferably, in the optical path active coupling alignment apparatus, the elastic member is a spring coaxially sleeved on the pull rod.

Preferably, in the optical path active coupling alignment device, the tie bar is a bolt.

Preferably, in the optical path active coupling alignment apparatus, an arc-shaped groove corresponding to an end of the optical fiber jumper is provided at an upper end of the fixing block.

Preferably, the active coupling aligning device of light path in, the left and right sides of fixed block upper end level respectively is equipped with a briquetting, the equal level of briquetting extends to the top of open slot, the upper end of slider with the upper end parallel and level of fixed block, and with the equal slidable laminating of the lower extreme of briquetting.

Preferably, the light path active coupling alignment device further comprises a UV glue curing mechanism, wherein the UV glue curing mechanism comprises a slide rail and two ultraviolet lamps corresponding to the test boards respectively, the slide rail is horizontally arranged above the base along the left-right direction, and the ultraviolet lamps are arranged above the corresponding test boards and slide left and right on the slide rail through sliding assemblies.

Preferably, in the active coupling alignment device of light path, the sliding assembly includes a sliding block and a connecting block, the sliding block is disposed on the sliding rail in a sliding manner, one end of the connecting block is connected to the corresponding sliding block, and the other end of the connecting block extends horizontally to the corresponding position above the test board and is connected to the corresponding ultraviolet lamp.

The utility model discloses an active coupling's of light path mode ensures optic fibre and lens match well earlier, and the solidification is glued to the rethread point, can realize the local seal, prevents simultaneously that the transportation shakes the in-process optic fibre pivoted problem.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.

Drawings

Fig. 1 is a schematic structural diagram of an alignment device according to the present invention;

fig. 2 is a schematic view of the connection between the fixing block and the test board according to the present invention;

fig. 3 is a schematic structural diagram of the sliding mechanism of the present invention.

Detailed Description

The present invention is further described in detail below with reference to the drawings so that those skilled in the art can implement the invention with reference to the description.

It should be noted that, in the description of the present invention, the terms "lateral", "longitudinal", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of description and simplification of description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

As shown in fig. 1-3, embodiments of the present invention provide an optical path active coupling alignment apparatus, the optical transceiving port for connecting the inserting core of the optical fiber jumper wire 1 and the optical engine module 2 comprises a base 3 and two test boards 4 which are horizontally arranged on the base 3 at intervals left and right, the upper end of the test board 4 is provided with a connector 5 for connecting the light engine module 2, two light receiving and emitting ports of the light engine module 2 are horizontally arranged backwards, the front sides of the test boards 4 are respectively provided with a fixed block 6 fixedly connected with the base 3, the upper ends of the fixed blocks 6 are provided with a sliding mechanism capable of sliding back and forth, the upper end of the sliding mechanism is provided with two clamping grooves 7 used for fixing two inserting cores of the optical fiber jumper wire 1, the two inserting cores for fixing the optical fiber jumper wire 1 are respectively embedded in the two clamping grooves 7, and the sliding mechanism drives the two inserting cores to move back and forth under the action of external force.

In this embodiment, as shown in fig. 1, two insertion cores are respectively disposed at two ends of a general optical fiber patch cord 1, and when two ends of the optical fiber patch cord 1 are respectively connected to two optical engine modules 2, the two insertion cores at two ends of the optical fiber patch cord 1 are respectively connected to two optical transceiver ports of the corresponding optical engine modules 2, so in this embodiment, two test boards 4 are horizontally disposed at the upper end of a base 3, and a connector 5 for connecting a golden finger of the optical engine module 2 is disposed at the upper end of the test board 4, when the insertion cores of the optical fiber patch cord 1 and the optical transceiver ports of the optical engine modules 2 are connected, the two insertion cores at one end of the optical fiber patch cord 1 are fixed by a sliding mechanism, and then the two insertion cores are respectively connected to the two optical transceiver ports of the corresponding optical engine modules 2, and a forward force is applied to the two insertion cores and the corresponding optical engine modules 2 by the sliding mechanism to urge them against each, and then, dispensing UV glue at the joint of the optical fiber jumper wire and the optical engine module 2 to complete the dispensing and curing between the inserting core for connecting the optical fiber jumper wire 1 and the optical transceiving port.

Preferably, as another embodiment of the present invention, an open slot 8 is disposed on the front side of the upper end of the fixed block 6, a slider 9 is disposed in the open slot 8, the slider 9 is disposed in the open slot 8 in a front-back sliding manner, a stopper 10 is disposed on the upper end of the slider 9 in a front-back sliding manner, two strip-shaped through holes are disposed on the upper end of the stopper 10 at left and right intervals, a protrusion 14 corresponding to the two strip-shaped through holes is disposed on the upper end of the slider 9, and the protrusion 14 is disposed in the corresponding strip-shaped through hole in a front-back sliding manner; stopper 10's upper end is equipped with two draw-in groove 7, be equipped with a pull rod 11 along the fore-and-aft direction in the open slot 8, pull rod 11 is the bolt, pull rod 11's front end with the rear end of slider 9 is connected, passes backward its rear end the rear side inner wall of open slot 8 extends to 6 rear sides of fixed block, slider 9 with be equipped with the elastic component 13 along the fore-and-aft direction compression between the rear side inner wall of open slot 8, elastic component 13 is the coaxial cover and establishes spring on the pull rod 11, elastic component 13 around both ends respectively with slider 9's rear end with the rear side wall connection of open slot 8, slider 9, stopper 10, pull rod 11 and elastic component 13 constitute slide mechanism.

In this embodiment, when no external force is applied, the elastic member 13 is in a compressed state, and applies a forward acting force to the slider 9, so as to apply a forward force to the two ferrules and the corresponding optical engine modules 2, so that the ferrules and the corresponding connectors 5 are abutted against each other, thereby ensuring stable connection between the ferrules and the corresponding optical transceiver ports, and preventing the ferrules and the corresponding optical transceiver ports from rotating; in addition, in this embodiment, two strip-shaped through holes are further provided at the upper end of the stopper 10 at left and right intervals, the upper end of the slider 9 is provided with a protrusion 14 corresponding to each of the two strip-shaped through holes, the protrusion 14 is slidably provided in the corresponding strip-shaped through hole in the front-back direction, the slider 9 and the stopper 10 can also be slidably provided in the front-back direction by the connection of the protrusion 14 and the corresponding strip-shaped through hole, so that when the slider is used, the pull rod 11 is pulled in the back direction by hand, the elastic member 13 is compressed by the pull rod 11 to drive the slider 9 to slide in the back direction, the protrusion 14 slides in the corresponding strip-shaped through hole and finally drives the stopper 10 to move in the back direction, when the pull rod 11 is not pulled by hand, the slider 9 moves in the front direction under the action of the elastic member 13, the protrusion 14 slides in the corresponding strip-shaped through hole and finally drives the stopper 10, a forward force is applied to both ferrules and the corresponding light engine module 2.

Preferably, as another embodiment of the present invention, the upper end of the fixing block 6 is provided with an arc-shaped groove 15 corresponding to the end of the optical fiber jumper 1.

In this embodiment, be equipped with the arc wall 15 that corresponds with the tip of optic fibre jumper wire 1 in the upper end of fixed block 6, can place the tip of optic fibre jumper wire 1 in the arc wall 15 that corresponds for when the lock pin of optic fibre jumper wire 1 and the light transceiver of optical engine module 2 were connected, the position of optic fibre jumper wire 1 tip was more stable.

Preferably, as the utility model discloses another embodiment, the left and right sides difference level of the upper end of fixed block 6 is equipped with a

briquetting

16, 16 equal levels of briquetting extend to the top of open slot 8, the upper end of slider 9 with the upper end parallel and level of fixed block 6, and with the equal slidable laminating of lower extreme of briquetting 16.

In this embodiment, by providing two pressing pieces 16, the position of the upper end of the slider 9 is defined, so that the slider 9 can slide in the open groove 8 more stably.

Preferably, as another embodiment of the present invention, the utility model further comprises a UV adhesive curing mechanism, the UV adhesive curing mechanism comprises a slide rail 17 and two ultraviolet lamps 18 corresponding to the two test boards 4 respectively, the slide rail 17 is horizontally disposed above the base 3 along the left-right direction, the ultraviolet lamps 18 are all disposed above the corresponding test boards 4 and all slide left and right on the slide rail 17 through a sliding component; the sliding assembly comprises a sliding block 19 and a connecting block 20, the sliding block 19 can slide left and right on the sliding rail 17, one end of the connecting block 20 is connected with the corresponding sliding block 19, and the other end of the connecting block horizontally extends to the corresponding position above the test board 4 and is connected with the corresponding ultraviolet lamp 18.

In this embodiment, drive the ultraviolet lamp 18 horizontal slip that corresponds through the slip subassembly to in the point is glued, move the ultraviolet lamp 18 to one side of the junction of the lock pin of optic fibre jumper 1 and the light receiving and dispatching mouth of optical engine module 2, the operation of being convenient for point is glued, and after the point is glued and is accomplished, drive the ultraviolet lamp 18 that corresponds through the slip subassembly and move to the top of the junction of the lock pin of corresponding optic fibre jumper 1 and the light receiving and dispatching mouth of optical engine module 2, thereby make the UV glue solidification through ultraviolet lamp 18.

While the embodiments of the invention have been disclosed above, it is not limited to the applications listed in the description and the embodiments, which are fully applicable in all kinds of fields suitable for the invention, and further modifications may be readily made by those skilled in the art, and the invention is therefore not limited to the specific details and embodiments shown and described herein, without departing from the general concept defined by the claims and their equivalents.

Claims

1. An optical path active coupling alignment device is used for connecting a ferrule of an optical fiber jumper (1) and an optical transceiver port of an optical engine module (2), and is characterized by comprising a base (3) and two test boards (4) which are horizontally arranged on the base (3) at intervals left and right, wherein the upper end of each test board (4) is provided with a connector (5) for connecting the optical engine module (2), the two optical transceiver ports of the optical engine module (2) are horizontally arranged towards the back, the front side of each test board (4) is provided with a fixed block (6) fixedly connected with the base (3), the upper end of each fixed block (6) is provided with a sliding mechanism capable of sliding back and forth, the upper end of each sliding mechanism is provided with two clamping grooves (7) for fixing the two ferrules of the optical fiber jumper (1), the two ferrules for fixing the optical fiber jumper (1) are respectively embedded in the two clamping grooves (7), under the action of external force, the sliding mechanism drives the two inserting cores to move back and forth.

2. The active coupling alignment device for optical paths according to claim 1, wherein an open slot (8) is formed in a front side of an upper end of the fixed block (6), a slider (9) is disposed in the open slot (8), the slider (9) is slidably disposed in the open slot (8) in a front-back direction, a limit block (10) is disposed in the upper end of the slider (9) in the front-back direction, two slots (7) are disposed in an upper end of the limit block (10), a pull rod (11) is disposed in the open slot (8) in the front-back direction, a front end of the pull rod (11) is connected to a rear end of the slider (9), a rear end of the pull rod passes through a rear inner wall of the open slot (8) in the back direction and extends to a rear side of the fixed block (6), an elastic member (13) compressed in the front-back direction is disposed between the slider (9) and the rear inner wall of the open slot (8), the front end and the rear end of the elastic piece (13) are respectively connected with the rear end of the sliding block (9) and the inner wall of the rear side of the open slot (8), and the sliding block (9), the limiting block (10), the pull rod (11) and the elastic piece (13) form the sliding mechanism.

3. The active coupling alignment device for optical paths according to claim 2, wherein two strip-shaped through holes are formed at the upper end of the limiting block (10) at left and right intervals, the upper end of the slider (9) is provided with protrusions (14) corresponding to the two strip-shaped through holes, and the protrusions (14) are slidably disposed in the corresponding strip-shaped through holes.

4. An optical path active coupling alignment device as claimed in claim 2, wherein said elastic member (13) is a spring coaxially fitted on said pull rod (11).

5. An optical path active coupling alignment device as claimed in claim 4, wherein said tie rod (11) is a bolt.

6. An optical path active coupling alignment device as claimed in claim 2, wherein the upper end of the fixing block (6) is provided with an arc-shaped groove (15) corresponding to the end of the optical fiber patch cord (1).

7. An optical path active coupling alignment apparatus as claimed in claim 2, wherein a pressing block (16) is horizontally disposed on each of the left and right sides of the upper end of the fixed block (6), the pressing blocks (16) horizontally extend above the open slot (8), and the upper end of the sliding block (9) is flush with the upper end of the fixed block (6) and slidably attached to the lower end of the pressing block (16).

8. The active optical path coupling alignment apparatus according to any one of claims 1 to 7, further comprising a UV adhesive curing mechanism, wherein the UV adhesive curing mechanism comprises a slide rail (17) and two corresponding UV lamps (18) corresponding to the two test boards (4), the slide rail (17) is horizontally disposed above the base (3) along the left-right direction, the UV lamps (18) are disposed above the corresponding test boards (4) and slide on the slide rail (17) through the sliding assembly.

9. An optical path active coupling alignment device as claimed in claim 8, wherein said sliding assembly comprises sliding blocks (19) and connecting blocks (20), said sliding blocks (19) are slidably disposed on said sliding rails (17) from side to side, one end of said connecting blocks (20) is connected to said corresponding sliding blocks (19), and the other end thereof extends horizontally above said corresponding testing board (4) and is connected to said corresponding UV lamps (18).