CN217385892U

CN217385892U - Multi-path integrated array type optical isolator

Info

Publication number: CN217385892U
Application number: CN202221068184.1U
Authority: CN
Inventors: 邱晓军; 李青青; 李娟娟; 唐阳; 王伟英
Original assignee: Shifei Electronic Technology Shanghai Co ltd
Current assignee: Shifei Electronic Technology Shanghai Co ltd
Priority date: 2022-05-07
Filing date: 2022-05-07
Publication date: 2022-09-06
Anticipated expiration: 2032-05-07

Abstract

The utility model discloses an optical isolator technical field specifically is an integrated array optical isolator of multichannel, including protecting crust one and protecting crust two, fixedly connected with protection pad one on the inner wall of protecting crust one, fix the many fine collimators in protecting crust one and protecting crust two through mount one, fix the optical wedge in protecting crust one and protecting crust two through mount two, fix Faraday optical rotation piece in protecting crust one and protecting crust two through mount three, through inserting the multicore fiber array in the sleeve pipe, and the one end that the slide was kept away from to the one end of going into multicore fiber array and many fine collimators, insert the spread groove through inside extrusion flexible piece and the one end with flexible piece, thereby reduce the volume of optical isolator, simplify the inner structure of optical isolator, and assemble the integrated array optical isolator of multichannel fast.

Description

Multi-path integrated array type optical isolator

Technical Field

The utility model relates to an optical isolator field, concretely relates to integrated array optical isolator of multichannel.

Background

The optical isolator is a passive optical device which only allows one-way light to pass through, allows the light to pass through in one direction and prevents the passive optical device which passes through in the opposite direction, and the effect is to restrict the direction of the light, so that the light can only be transmitted in one direction, and the light reflected by the optical fiber echo can be well isolated by the optical isolator, thereby improving the transmission efficiency of light waves.

The prior art has the following defects: the integration level of the existing optical filtering equipment is higher and higher, the optical paths are more and complex, the module formed by a plurality of single-path optical isolators is large in size and optical loss, the assembling process is too complicated and complex, the performance is not completely reliable, and the assembly is not convenient to rapidly assemble.

Therefore, it is necessary to invent a multi-path integrated array type optical isolator.

SUMMERY OF THE UTILITY MODEL

Therefore, the utility model provides an integrated array optical isolator of multichannel through be equipped with many fine collimators, slide, optical wedge and Faraday's optical rotation piece in protecting crust one and protecting crust two, is together fixed with protecting crust one and protecting crust two through fixed part to solve optical filtering equipment and be bulky, the optical loss is big, and the assembling process is too loaded down with trivial details, complicated, and the performance is also not completely reliable simultaneously, the problem of the quick equipment of being not convenient for.

In order to achieve the above object, the present invention provides the following technical solutions: the utility model provides an integrated array optical isolator of multichannel, includes protecting crust one and protecting crust two, fixedly connected with protection pad one on the inner wall of protecting crust one, fixedly connected with protection pad two on the inner wall of protecting crust two, spread groove one has all been seted up on the lateral wall of both ends downside about protecting crust one, spread groove two has all been seted up on the lateral wall of both ends upside about protecting crust two, protecting crust one and protecting crust two do not are equipped with many fine collimators, slide, optical wedge and Faraday optical rotation piece, be equipped with fixed part on the outer wall of protecting crust one and protecting crust two.

Preferably, the shape of spread groove one and spread groove two all is the semicircle form, a circle is constituteed with the spread groove two to spread groove one, fixedly connected with sleeve pipe on the inner wall of spread groove one, sheathed tube shape is circularly, sheathed tube opposite side outer wall and spread groove two's inner wall contact, fixedly connected with rubber pad on the sheathed tube inner lateral wall.

Preferably, the outer end side wall of the multi-fiber collimator is fixedly connected with a first fixing frame, one end of the first fixing frame is fixedly connected with the inner wall of the first protective shell, the other end of the first fixing frame is in contact with the inner wall of the second protective shell, and the glass slide is fixedly installed on the side wall of one end of the multi-fiber collimator.

Preferably, the optical wedge is located on one side of the slide, a second fixing frame is fixedly connected to the outer wall of the optical wedge, one end of the second fixing frame is fixedly connected to the inner wall of the first protection shell, and the other end of the second fixing frame is in contact with the inner wall of the second protection shell.

Preferably, the Faraday optical rotation sheet is located on one side of the optical wedge, a third fixing frame is fixedly connected to the side wall of the outer end of the Faraday optical rotation sheet, one end of the third fixing frame is fixedly connected to the inner wall of the first protection shell, and the other end of the third fixing frame is in contact with the inner wall of the second protection shell.

Preferably, the multi-core fiber array is inserted into the sleeve, the outer sleeve of the multi-core fiber array is contacted with the inner wall of the rubber pad, one end of the multi-core fiber array is inserted into the first protective shell and the second protective shell and is fixedly connected with one end of the multi-fiber collimator, which is far away from the glass slide, and the left end and the right end of the first protective shell and the second protective shell are symmetrically arranged. Preferably, the fixed part includes the connecting rod, the connecting rod is equipped with four, four the shape of connecting rod all is the L form, the difference fixed connection of connecting rod is on the lateral wall of the both ends downside about protecting crust two, the fixed slot has been seted up on the lateral wall of the one end that protecting crust two was kept away from to the connecting rod. Preferably, the fixed part still includes the fixed block, the fixed block is equipped with four, four the lateral wall of fixed block difference fixed connection both ends upside about protecting crust one, set up flutedly on the one end lateral wall that protecting crust one was kept away from to the fixed block, sliding connection has the flexible piece in the recess, the inclined plane has been seted up to the one end that the fixed block was kept away from to the flexible piece, fixedly connected with spring on the lateral wall that flexible piece is located the recess, the other end of spring and the bottom inner wall fixed connection of recess, the one end of flexible piece inserts in the fixed slot.

The utility model has the advantages that:

fix the multi-fiber collimator in protecting crust one and protecting crust two through mount one, fix the optical wedge in protecting crust one and protecting crust two through mount two, fix faraday's optical rotation piece in protecting crust one and protecting crust two through mount three, through inserting the multicore fiber array in the sleeve pipe, and the one end that the slide was kept away from to the one end that will go into the multicore fiber array and multi-fiber collimator one end fixed connection, insert the spread groove through inside extrusion flexible piece and with the one end of flexible piece, thereby reduce the volume of optoisolator, simplify the inner structure of optoisolator, and assemble multichannel integrated array optoisolator fast.

Drawings

Fig. 1 is a schematic side view of the overall structure of the present invention;

fig. 2 is a top view of the overall structure provided by the present invention;

FIG. 3 is a schematic structural view of a second protective shell provided by the present invention;

fig. 4 is a schematic front sectional view of a part of the structure provided by the present invention.

In the figure: 1. a first protective shell; 2. a first protection pad; 3. a second protective shell; 4. a second protection pad; 5. connecting a first connecting groove; 6. connecting a groove II; 7. a sleeve; 8. a rubber pad; 9. a multi-core fiber array; 10. a multi-fiber collimator; 11. a first fixing frame; 12. glass slide; 13. an optical wedge; 14. a second fixing frame; 15. a Faraday rotator; 16. a third fixing frame; 17. a connecting rod; 18. fixing grooves; 19. a telescopic block; 20. a fixed block; 21. a spring; 100. and a fixing component.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Referring to fig. 1-4, the utility model provides a multi-path integrated array type optical isolator, which comprises a first protective shell 1 and a second protective shell 3;

the inner wall of the first protective shell 1 is fixedly connected with a first protective pad 2, the inner wall of the second protective shell 3 is fixedly connected with a second protective pad 4, the side walls of the lower sides of the left and right ends of the first protective shell 1 are respectively provided with a first connecting groove 5, the side walls of the upper sides of the left and right ends of the second protective shell 3 are respectively provided with a second connecting groove 6, the first connecting groove 5 and the second connecting groove 6 are both in a semicircular shape, the first connecting groove 5 and the second connecting groove 6 are combined into a circle, the inner wall of the first connecting groove 5 is fixedly connected with a sleeve 7, the sleeve 7 is in a circular shape, the outer wall of the other side of the sleeve 7 is contacted with the inner wall of the second connecting groove 6, the side wall of the sleeve 7 is fixedly connected with a rubber pad 8, the first connecting groove 5 and the second connecting groove 6 play a role of fixedly connecting the sleeve 7, the multi-core fiber array 9 is inserted into the sleeve 7, the outer sleeve of the multi-core fiber array 9 is contacted with the inner wall of the rubber pad 8, the multi-core optical fiber array 9 is fixed, one end of the multi-core optical fiber array 9 is inserted into the first protective shell 1 and the second protective shell 3 and is fixedly connected with one end, far away from the glass slide 12, of the multi-fiber collimator 10, the left end and the right end of the first protective shell 1 and the second protective shell 3 are symmetrically arranged, the first protective shell 1 and the second protective shell 3 are respectively provided with the multi-fiber collimator 10, the glass slide 12, the optical wedge 13 and the Faraday optical rotation sheet 15, the first protective pad 2 in the first protective shell 1 and the second protective pad 4 in the second protective shell 3 are both made of rubber materials, the multi-fiber collimator 10, the glass slide 12, the optical wedge 13 and the Faraday optical rotation sheet 15 are protected, and the fixing part 100 is arranged on the outer walls of the first protective shell 1 and the second protective shell 3.

The side wall of the outer end of the multi-fiber collimator 10 is fixedly connected with a first fixing frame 11, one end of the first fixing frame 11 is fixedly connected with the inner wall of a first protective shell 1, the other end of the first fixing frame 11 is contacted with the inner wall of a second protective shell 3, a glass slide 12 is fixedly arranged on the side wall of one end of the multi-fiber collimator 10, the multi-fiber collimator 10 is fixed in the first protective shell 1 and the second protective shell 3, an optical wedge 13 is positioned at one side of the glass slide 12, a second fixing frame 14 is fixedly connected to the outer wall of the optical wedge 13, one end of the second fixing frame 14 is fixedly connected to the inner wall of the first protective shell 1, the other end of the second fixing frame 14 is contacted with the inner wall of the second protective shell 3, the optical wedge 13 is fixed in the first protective shell 1 and the second protective shell 3, a Faraday optical rotation sheet 15 is positioned at one side of the optical wedge 13, a third fixing frame 16 is fixedly connected to the side wall of the outer end of the Faraday rotation sheet 15, one end of the third fixing frame 16 is fixedly connected to the inner wall of the first protective shell 1, the other end of the third fixing frame 16 is in contact with the inner wall of the second protective shell 3, and the Faraday rotation sheet 15 is fixed in the first protective shell 1 and the second protective shell 3. The fixing component 100 comprises four connecting rods 17, the four connecting rods 17 are arranged, the four connecting rods 17 are all in an L shape, the connecting rods 17 are respectively and fixedly connected to the side walls of the lower sides of the left end and the right end of the second protective shell 3, the side wall of one end, away from the second protective shell 3, of each connecting rod 17 is provided with a fixing groove 18, the fixing grooves 18 play a role in clamping connection with the telescopic blocks 19, the fixing component 100 further comprises four fixing blocks 20, the four fixing blocks 20 are respectively and fixedly connected to the side walls of the upper sides of the left end and the right end of the first protective shell 1, one end, away from the first protective shell 1, of each fixing block 20 is provided with a groove (not marked in the figure), each groove is internally and slidably connected with the telescopic blocks 19, one end, away from the corresponding fixing block 20, of each telescopic block 19 is provided with an inclined surface (not marked in the figure), the inclined surface facilitates the sliding of the telescopic blocks 19 into the fixing grooves 18, and the side walls, of the telescopic blocks 19, which are positioned in the grooves, are fixedly connected with springs 21, the other end of spring 21 and the bottom inner wall fixed connection of recess, spring 21 play the effect of restoring to the throne of flexible piece 19, can press flexible piece 19 into the recess through inside extrusion spring 21, and the one end of flexible piece 19 is inserted in fixed slot 18 to fix protecting crust one 1 in protecting crust two 3 upper ends.

The utility model discloses a use as follows: a person skilled in the art fixes the multi-fiber collimator 10 in the first protective shell 1 and the second protective shell 3 through the first fixing frame 11, fixes the optical wedge 13 in the first protective shell 1 and the second protective shell 3 through the second fixing frame 14, fixes the Faraday optical rotation sheet 15 in the first protective shell 1 and the second protective shell 3 through the third fixing frame 16, inserts the multi-core fiber array 9 into the sleeve 7, fixedly connects one end of the multi-core fiber array 9 with one end of the multi-fiber collimator 10 far away from the glass slide 12, and quickly assembles the multi-path integrated optical isolator by inwardly extruding the telescopic block 19 and inserting one end of the telescopic block 19 into the fixing groove 18.

The above description is only a preferred embodiment of the present invention, and any person skilled in the art may modify the present invention or modify it into an equivalent technical solution by using the technical solutions described above. Therefore, any simple modifications or equivalent replacements made according to the technical solution of the present invention belong to the scope of the claimed invention as far as possible.

Claims

1. The utility model provides an integrated array optical isolator of multichannel, includes protecting crust one (1) and protecting crust two (3), fixedly connected with protection pad one (2) on the inner wall of protecting crust one (1), fixedly connected with protection pad two (4) on the inner wall of protecting crust two (3), spread groove one (5) have all been seted up on the lateral wall of both ends downside about protecting crust one (1), spread groove two (6) have all been seted up on the lateral wall of both ends upside about protecting crust two (3), its characterized in that, protecting crust one (1) and protecting crust two (3) are equipped with many fine collimators (10), slide (12), optical wedge (13) and Faraday optical rotation piece (15) respectively, be equipped with fixed part (100) on the outer wall of protecting crust one (1) and protecting crust two (3).

2. The multi-way integrated array optical isolator of claim 1, wherein: the shape of spread groove (5) and spread groove two (6) all is half circular, spread groove (5) and spread groove two (6) make up into a circle, fixedly connected with sleeve pipe (7) on the inner wall of spread groove (5), the shape of sleeve pipe (7) is circular, the opposite side outer wall of sleeve pipe (7) and the inner wall of spread groove two (6) contact, fixedly connected with rubber pad (8) on the inner lateral wall of sleeve pipe (7).

3. The multi-way integrated array optical isolator of claim 1, wherein: the multi-fiber collimator is characterized in that a first fixing frame (11) is fixedly connected to the side wall of the outer end of the multi-fiber collimator (10), one end of the first fixing frame (11) is fixedly connected with the inner wall of a first protective shell (1), the other end of the first fixing frame (11) is in contact with the inner wall of a second protective shell (3), and a glass slide (12) is fixedly installed on the side wall of one end of the multi-fiber collimator (10).

4. The multi-way integrated array optical isolator of claim 1, wherein: the optical wedge (13) is located on one side of the glass slide (12), a second fixing frame (14) is fixedly connected to the outer wall of the optical wedge (13), one end of the second fixing frame (14) is fixedly connected to the inner wall of the first protective shell (1), and the other end of the second fixing frame (14) is in contact with the inner wall of the second protective shell (3).

5. The multi-way integrated array optical isolator of claim 1, wherein: faraday's optical rotation piece (15) are located one side of optical wedge (13), fixedly connected with mount three (16) on the outer end lateral wall of Faraday's optical rotation piece (15), the one end fixed connection of mount three (16) is on the inner wall of protecting crust one (1), the other end of mount three (16) and the inner wall of protecting crust two (3) contact.

6. The multi-way integrated array optical isolator of claim 2, wherein: the multi-core optical fiber array is characterized in that a multi-core optical fiber array (9) is inserted into the sleeve (7), an outer sleeve of the multi-core optical fiber array (9) is in contact with the inner wall of the rubber pad (8), one end of the multi-core optical fiber array (9) is inserted into the first protective shell (1) and the second protective shell (3) and is fixedly connected with one end, far away from the glass slide (12), of the multi-fiber collimator (10), and the left end and the right end of the first protective shell (1) and the second protective shell (3) are symmetrically arranged.

7. The multi-way integrated array optical isolator of claim 1, wherein: fixed part (100) includes connecting rod (17), connecting rod (17) are equipped with four, four the shape of connecting rod (17) all is the L form, the difference fixed connection of connecting rod (17) is on the lateral wall of the left and right sides both ends downside of protecting crust two (3), fixed slot (18) have been seted up on the lateral wall of the one end of protecting crust two (3) is kept away from in connecting rod (17).

8. The multi-way integrated array optical isolator of claim 7, wherein: fixed part (100) still includes fixed block (20), fixed block (20) are equipped with four, four fixed block (20) are fixed connection respectively at the lateral wall of protecting crust (1) the left and right sides both ends upside, set up flutedly on the one end lateral wall of protecting crust (1) is kept away from to fixed block (20), sliding connection has flexible piece (19) in the recess, the inclined plane has been seted up to the one end that fixed block (20) were kept away from in flexible piece (19), fixedly connected with spring (21) on flexible piece (19) were located the lateral wall in the recess, the other end of spring (21) and the bottom inner wall fixed connection of recess, the one end of flexible piece (19) is inserted in fixed slot (18).