CN212905583U

CN212905583U - Coupling device of high-precision active optical fiber array

Info

Publication number: CN212905583U
Application number: CN202021344100.3U
Authority: CN
Inventors: 赵尧杰; 孔祥君; 曾智灵
Original assignee: Sindi Technologies Co ltd
Current assignee: Sindi Technologies Co ltd
Priority date: 2020-07-09
Filing date: 2020-07-09
Publication date: 2021-04-06
Anticipated expiration: 2030-07-09

Abstract

The utility model discloses a high accuracy active fiber array's coupling device, its characterized in that: a coupling device for a high-precision active fiber array, comprising: comprises a base with an included angle, wherein a micromotion motor is arranged in the included angle; the clamp mechanism is provided with a pressing strip and a differential knob for controlling the force of the pressing strip, a cover plate is arranged under the pressing strip in a pressing mode, and a Y-shaped positioning fork arranged on the clamp mechanism is further arranged below the cover plate; the base is further provided with an adjusting mechanism, the adjusting mechanism is provided with a fiber-carrying positioning block, and a V-shaped groove or a U-shaped groove filled with glue is horizontally connected between the fiber-carrying positioning block and the positioning fork. The utility model discloses wholly adopt the modularized design thinking, simple structure, equipment are convenient, processing procedure efficiency, yield and assembly precision are higher, can effectively reduce active fiber array cost of manufacture.

Description

Coupling device of high-precision active optical fiber array

Technical Field

The utility model relates to an and fiber communication transmission technical field especially relates to a high accuracy active optical fiber array's coupling device.

Background

With the rapid development of 5G commercial and data center markets, optical modules are applied in optical network transmission in a large scale, and an active silicon optical interconnection component MT-FA as an important connector in a wireless communication bearer network has been widely applied to 40/100G optical modules. The high-precision FA is a most core optical device of an active silicon optical interconnection component MT-FA, bare optical fibers distributed in parallel at the front end are utilized to be coupled with a laser chip in a one-to-one mode, in order to ensure that optical signals can be stably transmitted with low loss, the assembly distance error between the optical fibers and a U groove is generally required to be not more than 0.5um, but the traditional fiber arrangement mode has the problem of low assembly precision during manufacturing of an optical fiber array, and particularly under the condition that glue does not completely penetrate a V-shaped groove or a U-shaped groove, an optical fiber ribbon is easy to separate out, so that the bonding strength is reduced.

SUMMERY OF THE UTILITY MODEL

To overcome the disadvantages of the prior art, the present invention is directed to a coupling device for high precision active fiber array.

The utility model discloses a following technical measure realizes, a high accuracy active optical fiber array's coupling device, its characterized in that: comprises a base with an included angle, wherein a micromotion motor is arranged in the included angle; the clamp mechanism is provided with a pressing strip and a differential knob for controlling the force of the pressing strip, a cover plate is arranged under the pressing strip in a pressing mode, and a Y-shaped positioning fork arranged on the clamp mechanism is further arranged below the cover plate; the base is further provided with an adjusting mechanism, the adjusting mechanism is provided with a fiber-carrying positioning block, and a V-shaped groove or a U-shaped groove filled with glue is horizontally connected between the fiber-carrying positioning block and the positioning fork.

Preferably, the adjusting mechanism and the clamping mechanism are both detachably arranged on the base.

As an optimal mode, the transparent layering pushes down and is equipped with the apron, be equipped with in V type groove or the U type groove under the apron and take the fibre array, the single fiber interval of taking the fibre array is 250 um.

Preferably, the fiber-carrying positioning block horizontally pushes the fiber-carrying array to move and is detachably arranged on the adjusting mechanism.

As a preferred mode, V type groove or U type groove are equipped with two at least and the passageway interval is 127um each other.

Preferably, the bead is a transparent bead.

Preferably, the included angle is less than 45 °.

Preferably, the clamp mechanism is in a lever structure, and the differential knobs are arranged on two sides of the clamp mechanism.

The utility model provides a pair of high accuracy active fiber array's coupling device utilizes micro-motion motor device to provide the micro-vibration of high-frequency, makes the abundant even flow of glue between V type groove or U type groove, optic fibre and apron, ensures that the bonding of each component of fiber array is more firm, can effectively avoid the problem of traditional dress glue time space gel. Secondly, coupling device adopts the horizontal fine mode of pushing away, compares the problem that the fine mode of tradition row is inefficiency, assembly precision is not high when the preparation fiber array, the utility model discloses when the fine preparation of row of the fiber array of different grade type, only need change the fine locating piece of assorted area, can realize the location that becomes more meticulous, have high assembly precision, high stability and efficient advantage. Finally, the whole optical fiber array adopts a modular design idea, the structure is simple, the optical fiber array can be disassembled and assembled for the second time and put into other processing procedures for use, the processing efficiency and the assembly precision are effectively improved, the manufacturing cost of the active optical fiber array is reduced, and the coupling efficiency is higher.

Drawings

Fig. 1 is an overall schematic diagram of an embodiment of the present invention;

FIG. 2 is an enlarged view of A in FIG. 1;

fig. 3 is a schematic side view of an embodiment of the present invention;

number and name in the figure: 1. base 2, micromotor 3, clamp mechanism 4, layering 5, differential knob 6, positioning fork 7, adjusting mechanism 8, fiber-containing positioning block 9, V-shaped groove or U-shaped groove

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

A high-precision coupling device of an active fiber array refers to fig. 1 to 3, and comprises a base 1 with an included angle arranged therein, and a micromotor 2 arranged in the included angle; the clamp mechanism 3 is installed on the base 1, a pressing strip 4 and a differential knob 5 used for controlling the force of the pressing strip 4 are arranged on the clamp mechanism 3, a cover plate is arranged under the pressing strip 4 in a pressing mode, and a Y-shaped positioning fork 6 arranged on the clamp mechanism is further arranged below the cover plate; the base 1 is further provided with an adjusting mechanism 7, a fiber-carrying positioning block 8 is mounted on the adjusting mechanism, and a V-shaped groove or a U-shaped groove 9 filled with glue is horizontally connected between the fiber-carrying positioning block 8 and the positioning fork 6. The micromotor 2 is arranged in the base 1 and can perform high-frequency micro vibration to enable glue to uniformly flow on the V-shaped groove or the U-shaped groove 9, the optical fiber and the cover plate; when the micromotion motor 2 vibrates at high frequency, the lower part of the included angle is fixed, and the upper part of the included angle can vibrate in a micro-elastic mode along with the vibration of the micromotion motor. The clamp mechanism 3 and the adjusting mechanism 7 are correspondingly arranged on the base 1 in the horizontal direction, the fiber-carrying positioning block 8 is arranged on the adjusting mechanism, one end of the V-shaped groove or the U-shaped groove 9 is connected to the fiber-carrying positioning block 8, the other end of the V-shaped groove or the U-shaped groove is arranged in the fork opening of the positioning fork 6, the cover plate is arranged below the pressing strip 4 in a pressing mode, the front end faces of the V-shaped groove or the U-shaped groove 9 and the cover plate are located on the same plane, meanwhile, exposed optical fibers cannot be blocked, and the. The two ends of the clamp mechanism 3 are symmetrically arranged, and the differential button devices are arranged at the two ends of the clamp mechanism, so that the force of the pressing strips 4 can be accurately controlled to adjust the positions of the optical fibers and the cover plate, and the single optical fibers are uniformly distributed in each channel after the rows of optical fibers are finished, and the left and right distances are kept consistent.

In one embodiment, referring to fig. 1 and 2, the adjusting mechanism 7 and the clamping mechanism 3 are both removably disposed on the base 1. 7 module holding of adjustment mechanism takes 8 modules of fine locating piece to move left or right and adjusts, wholly adopts the modularized design thinking, will the utility model discloses an assembly system divide into two modules of upper and lower primary and secondary, can be with the submodule piece after the assembly finishes, adjustment mechanism 7 promptly, take fine locating piece 8 and equipment anchor clamps main part to dismantle and be used for next process, and submodule piece is in large quantity, and the master module quantity of compriseing base 1, little vibrating motor is less, can improve the preparation efficiency, saves anchor clamps and drops into the total cost.

In an embodiment, referring to fig. 1 and 3, a cover plate is pressed under the transparent pressing strip, a V-shaped groove or a U-shaped groove under the cover plate is provided with a fiber array, and the single fiber spacing of the fiber array is 250 um; v type groove or U type groove 9 are equipped with two at least and the passageway interval is 127um each other. The single fibers with the fibers are closely arranged, fine positioning is achieved, and the accuracy rate and the stability are higher.

In one embodiment, referring to fig. 1 and 2, the fiber positioning block 8 horizontally pushes the fiber array to move and be removably disposed on the adjusting mechanism 7. The fiber-carrying positioning block 8 adopts a horizontal fiber pushing mode, different fiber-carrying positioning blocks 8 are replaced according to the fiber arrangement manufacturing types of the optical fiber array, and the problems of low efficiency and low assembly precision in the conventional fiber arrangement mode during the manufacturing of the optical fiber array can be solved.

In one embodiment, referring to fig. 1 and 3, the bead 4 is a transparent bead 4 that enables the operator to ensure that the fibers are properly aligned in the V-groove or U-groove 9 and to confirm that the glue is effectively filling the entire channel.

In an embodiment, referring to fig. 1, the included angle is smaller than 45 °, and if the included angle is too large or too small, the glue is not uniformly adhered, so that the adhesion of each component of the optical fiber array is ensured to be firmer, and poor glue failure can be effectively avoided.

In an embodiment, referring to fig. 1 and 2, the clamp mechanism 3 is in a lever structure, and the differentiating knob 5 is arranged on both sides of the clamp mechanism 3. The clamp mechanism 3 is suitable for the manufacturing requirements of various types of optical fiber arrays, controls the downward pressing and the upward lifting of the transparent pressing strip 4 through a lever structure, accurately controls the downward pressing and the upward pressing force by adopting the high-precision differential knob 5, is convenient for adjusting the positions of the optical fibers and the cover plate, ensures that the optical fibers can be accurately and uniformly arranged in the V-shaped groove or the U-shaped groove 9, and keeps the left and right spacing consistent.

It is right above the utility model relates to a high accuracy active fiber array's the explanation of coupling device going on for help understands the utility model discloses, nevertheless the utility model discloses an embodiment does not receive the restriction of above-mentioned embodiment, and any does not deviate from the utility model discloses change, modification, substitution, combination, simplification made under the principle all should be equivalent replacement mode, all contain within the protection scope the utility model discloses a.

Claims

1. A coupling device for a high-precision active fiber array, comprising: comprises a base with an included angle, wherein a micromotion motor is arranged in the included angle; the clamp mechanism is provided with a pressing strip and a differential knob for controlling the force of the pressing strip, a cover plate is arranged under the pressing strip in a pressing mode, and a Y-shaped positioning fork arranged on the clamp mechanism is further arranged below the cover plate; still be equipped with an adjustment mechanism on the base, the last fine locating piece of area of installing of adjustment mechanism, take fine locating piece with horizontally connect has a V type groove or a U type groove of notes glue between the location fork.

2. A high precision active fiber array coupling device as claimed in claim 1, wherein: the adjusting mechanism and the clamp mechanism are both detachably arranged on the base.

3. A high precision active fiber array coupling device as claimed in claim 1, wherein: the layering is transparent layering, transparent layering pushes down and is equipped with the apron, it takes the fiber array to be equipped with in V type groove or the U type groove under the apron, the single fiber interval of taking the fiber array is 250 um.

4. A high precision active fiber array coupling device as claimed in any one of claims 1 or 3, wherein: the fiber-carrying positioning block horizontally pushes the fiber-carrying array to move and is detachably arranged on the adjusting mechanism.

5. A high precision active fiber array coupling device as claimed in claim 1, wherein: v type groove or U type groove are equipped with two at least and the passageway interval is 127um each other.

6. A high precision active fiber array coupling device as claimed in claim 1, wherein: the pressing strip is a transparent pressing strip.

7. A high precision active fiber array coupling device as claimed in claim 1, wherein: the included angle is less than 45 degrees.

8. A high precision active fiber array coupling device as claimed in claim 1, wherein: the clamp mechanism is of a lever structure, and the differential knobs are arranged on two sides of the clamp mechanism.