CN218470144U - Optical fiber alignment device - Google Patents
Optical fiber alignment device Download PDFInfo
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- CN218470144U CN218470144U CN202222435359.4U CN202222435359U CN218470144U CN 218470144 U CN218470144 U CN 218470144U CN 202222435359 U CN202222435359 U CN 202222435359U CN 218470144 U CN218470144 U CN 218470144U
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- placing block
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Abstract
The utility model relates to an optical fiber technology field provides an optical fiber alignment device, include: the top surface of the first placing block is provided with a first groove; the top surface of the second placing block is provided with a second groove, the second groove and the first groove are positioned on the same straight line, the shape of the first groove is the same as that of the second groove, the first groove and the second groove are used for containing optical fibers, and the top surface of the first placing block and the top surface of the second placing block are positioned on the same horizontal plane under the condition that the optical fibers are not placed; the piece is placed with the second to the pressure, and first the piece of placing sets up in the first end of the piece is placed to the pressure, and the second end of the piece is placed to the pressure can with the optic fibre butt of holding in the second recess, the length between first end and the pin joint and the length between second end and the pin joint than be 1. The optical fiber alignment device can automatically align without repeatedly adjusting the position of the optical fiber, shortens the time of aligning the optical fiber, reduces errors in the alignment process and improves the detection precision.
Description
Technical Field
The utility model relates to an optic fibre technical field especially relates to an optic fibre aligning device.
Background
The beam quality is an important parameter for measuring the laser output performance of the fiber laser, and the fiber is an important component in the laser, such as a double-clad passive matching fiber, a beam transmission fiber and the like, and the beam quality is important for the beam quality of the laser output by the fiber laser, so that the beam quality of the fibers such as the double-clad passive matching fiber, the beam transmission fiber and the like needs to be tested in the production process of the special fiber.
When the double-cladding passive matching optical fiber and the light beam transmission optical fiber are subjected to light beam quality test, the fixation and the adjustment of a light outlet of the tested optical fiber are very important. When carrying out the light beam quality test at every turn, use the cutting knife to cut optic fibre, then fix optic fibre, measure the distance of optic fibre terminal surface to anchor clamps, adjust the light-emitting terminal surface of optic fibre to suitable position, rethread displacement platform is adjusted the left and right sides of optic fibre, upper and lower position makes the fibre core center of optic fibre and the focus of single convex lens on same straight line. In the process of adjusting the position of the optical fiber through the displacement table, the whole adjusting process takes longer time, the requirement on the testing experience of an operator is very high, and meanwhile, due to the fact that certain errors exist in each adjustment, the repeatability and the reproducibility of the testing result of the light beam quality can be affected to a certain extent.
SUMMERY OF THE UTILITY MODEL
The utility model provides an optical fiber alignment device for solve among the prior art optical fiber alignment process consuming time longer and the great defect of alignment process error.
The utility model provides an optic fibre aligning device, include: the top surface of the first placing block is provided with a first groove; the top surface of the second placing block is provided with a second groove, the second groove and the first groove are positioned on the same straight line, the shapes of the first groove and the second groove are the same, the first groove and the second groove are used for containing optical fibers, and the top surface of the first placing block and the top surface of the second placing block are positioned on the same horizontal plane under the condition that the optical fibers are not placed in the first placing block; the pressing piece is hinged to the second placing block, the first placing block is arranged at the first end of the pressing piece, the second end of the pressing piece can be abutted to the optical fiber accommodated in the second groove, and the ratio of the length between the first end and the hinge point to the length between the second end and the hinge point is 1.
According to the utility model provides a pair of optic fibre aligning device the piece centers on is put to the pressure when the pin joint rotates, the second end upward movement of piece is put to the pressure, so that the first end downward movement of piece is put to the pressure, wherein, the displacement of first end downward movement is half of the displacement of second end upward movement.
According to the utility model provides a pair of optic fibre aligning device, the first end of putting the piece is equipped with the third recess to the pressure, first place the piece set up in the third recess.
According to the utility model provides a pair of optic fibre aligning device still includes flexible butt piece, flexible butt piece inlays to be established the bottom surface of pressing the second end of putting the piece, flexible butt piece can with the optic fibre butt.
According to the utility model provides a pair of optical fiber alignment device, flexible butt piece is the cylinder, the length direction of cylinder with the length direction of optic fibre sets up perpendicularly.
According to the optical fiber alignment device provided by the utility model, the second end of the pressing piece is a U-shaped frame, the flexible abutting piece is embedded in the bottom surface of the U-shaped frame, the pressing piece is also provided with a pair of connecting parts, the two connecting parts are arranged in parallel, and the third groove and the U-shaped frame are respectively arranged at the two sides of the connecting parts; the two groove walls of the third groove are respectively connected with the pair of connecting parts, the U-shaped frame is connected with the top surfaces of the pair of connecting parts, and the connecting parts are hinged with the second placing block.
According to the utility model provides a pair of optical fiber alignment device, first recess with the second recess is the V-arrangement groove.
According to the utility model provides a pair of optic fibre aligning device still includes the base, the base with it is articulated to press to put the piece, the second place the piece set up in the top surface of base.
According to the utility model provides a pair of optic fibre aligning device, a lateral of base is close to the first direction of placing the piece extends and forms the lug, the lug with it is articulated to press to put the piece.
According to the utility model provides a pair of optic fibre aligning device, the top surface of base is equipped with the fourth recess, the second place the piece set up in the fourth recess, under the condition that optic fibre was not put into, the tank bottom of fourth recess with the tank bottom of third recess is located same horizontal plane.
The optical fiber aligning device provided by the utility model is provided with the first placing block and the second placing block, and the first groove and the second groove are utilized to position the horizontal position of the optical fiber; put the piece through setting up the pressure, the first end that the piece was put to the pressure is connected with the first piece of placing, the second end and the optic fibre butt that the piece was put to the pressure, and the piece can be placed the piece for the second and rotate, the displacement volume that utilizes the centre of a circle is the half principle of diameter increment, the realization is to the location of the vertical direction position of optic fibre, make optic fibre aligning device when testing the optic fibre of different diameters, can automatic alignment, and need not relapse to adjust the position of optic fibre many times, the time of optic fibre alignment has been shortened, the error of alignment in-process has been reduced simultaneously, the precision of detection has been improved.
Drawings
In order to more clearly illustrate the technical solutions of the present invention or the prior art, the following briefly introduces the drawings required for the embodiments or the prior art descriptions, and obviously, the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of an optical fiber alignment apparatus provided by the present invention;
reference numerals are as follows:
10: a first placement block; 11: a first groove; 20: a second placement block; 21: a second groove; 30: pressing the part; 31: a third groove; 32: a flexible abutment member; 33: a connecting portion; 34: a U-shaped frame; 40: a base; 41: a bump; 100: an optical fiber.
Detailed Description
To make the objects, technical solutions and advantages of the present invention clearer, the drawings of the present invention are combined to clearly and completely describe the technical solutions of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
The features of the terms first and second in the description and in the claims of the present invention may explicitly or implicitly include one or more of such features. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
The optical fiber alignment device of the present invention is described below with reference to fig. 1.
As shown in fig. 1, in an embodiment of the present invention, an optical fiber alignment apparatus includes: a first placing block 10, a second placing block 20 and a pressing member 30. The top surface of the first placing block 10 is provided with a first groove 11, the top surface of the second placing block 20 is provided with a second groove 21, the second groove 21 and the first groove 11 are located on the same straight line, the shapes of the first groove 11 and the second groove 21 are the same, the first groove 11 and the second groove 21 are used for accommodating the optical fiber 100, and under the condition that the optical fiber 100 is not placed, the top surface of the first placing block 10 and the top surface of the second placing block 20 are located on the same horizontal plane. The pressing member 30 is hinged to the second placing block 20, the first placing block 10 is disposed at a first end of the pressing member 30, a second end of the pressing member 30 can abut against the optical fiber 100 accommodated in the second groove 21, and a ratio of a length between the first end of the pressing member 30 and the hinge point to a length between the second end of the pressing member 30 and the hinge point is 1.
Specifically, the first groove 11 of the first placing block 10 and the second groove 21 of the second placing block 20 are used for accommodating the optical fiber 100, and the second end of the pressing member 30 is used for pressing the optical fiber 100. When the optical fiber 100 is detected, the end face of the first end of the optical fiber 100 is flush with the side face of the first placing block 10, the second end of the optical fiber 100 is fixed by the pressing piece 30, the first end of the optical fiber 100 is a light emitting end, and when the optical fiber 100 is placed in the first groove 11 and the second groove 12, the center of the light emitting end and the focus of the single convex lens are located on the same straight line.
Further, because the model of optical fibers such as passive matching fiber of double-clad, beam transmission fiber is numerous, and the coating diameter of being surveyed optical fiber 100 is different from 250um to 700um, the embodiment of the utility model provides an optical fiber alignment device can be applicable to and aim at the optical fiber 100 of different diameters. Specifically, in this embodiment, the first placing block 10 is disposed at the first end of the pressing member 30, the bottom surface of the second end of the pressing member 30 abuts against the top surface of the optical fiber 100, when the diameter of the optical fiber 100 becomes larger, the second end of the pressing member 30 moves upward to generate a certain displacement, and when the second end of the pressing member 30 moves upward, the first end of the pressing member 30 moves downward accordingly, so as to drive the first placing block 10 to move downward, so that the center of the light-emitting end of the optical fiber 100 moves downward and is located on the same straight line as the focus of the single convex lens.
When the diameter of the detected optical fiber 100 is increased, for example, assuming that the diameter of the optical fiber 100 is increased by 2um, the central point of the optical fiber 100 in the first placing block 10 moves upward by 1um, and the second end of the pressing member 30 moves upward by 2um, according to the corresponding relationship, by using the property theorem of similar triangle, the ratio of the length between the first end of the pressing member 30 and the hinge point to the length between the second end of the pressing member 30 and the hinge point can be calculated as 1. That is, when the hinge point of the pressing member 30 divides the length of the pressing member 30 into 1.
The embodiment of the utility model provides an optical fiber aligning device, through setting up first place piece and second place piece, utilize first recess and second recess to the horizontal position of optic fibre to fix a position; put the piece through setting up the pressure, the first end that the piece was put to the pressure is connected with the first piece of placing, the second end and the optic fibre butt that the piece was put to the pressure, and the piece can be placed the piece for the second and rotate, the displacement volume that utilizes the centre of a circle is the half principle of diameter increment, the realization is to the location of the vertical direction position of optic fibre, make optic fibre aligning device when testing the optic fibre of different diameters, can automatic alignment, and need not relapse to adjust the position of optic fibre many times, the time of optic fibre alignment has been shortened, the error of alignment in-process has been reduced simultaneously, the precision of detection has been improved.
Further, in the embodiment of the present invention, the first groove 11 and the second groove 21 may be shaped as V-grooves to position the optical fiber 100 in the left and right directions, and further, the opening angle of the V-grooves should be as large as possible to accommodate optical fibers of different diameters 100.
Specifically, in the actual working process, the diameter of the measured optical fiber 100 is usually 250um to 700um, because the diameter range of the measured optical fiber 100 is large, the first groove 11 and the second groove 12 of the same size may not be able to well accommodate all the optical fibers 100 within the range, in order to solve the problem, a plurality of first placing blocks 10 and second placing blocks 20 may be designed, and the first groove 11 on each first placing block 10 and the second groove 21 on each second placing block 20 are suitable for the optical fibers 100 within a diameter range, thereby further improving the accuracy of the alignment of the optical fibers 100.
Further, in the embodiment of the present invention, when the pressing member 30 rotates around the hinge point, the second end of the pressing member 30 moves upward, and the first end of the pressing member 30 moves downward, so as to make the first placing block 10 move downward, wherein the downward movement displacement of the first end of the pressing member 30 is half of the upward movement displacement of the second end of the pressing member 30.
Specifically, when the diameter of the detected optical fiber 100 is increased, the displacement of the second end of the pressing member 30 is the increment of the diameter of the optical fiber 100, and the displacement of the first end of the pressing member 30 is the offset of the center of the optical fiber 100.
As shown in fig. 1, in the embodiment of the present invention, the first end of the pressing member 30 is provided with a third groove 31, and the first placing block 10 is disposed in the third groove 31. Specifically, when the optical fiber 100 is not placed in the first groove 11 and the second groove 21, the top surface of the first placing block 10 and the top surface of the second placing block 20 are located at the same horizontal plane, and at this time, the bottom surface of the second end of the pressing member 30 is in contact with the top surface of the second placing block 20, and the pressing member 30 does not rotate. After the optical fiber 100 is placed in the first groove 11 and the second groove 12, the second end of the pressing member 30 abuts against the optical fiber 100, the second end of the pressing member 30 is lifted by the optical fiber 100, the pressing member 30 rotates around the hinge point, and the first placing block 10 moves downward.
As shown in fig. 1, in an embodiment of the present invention, the optical fiber alignment device further includes a flexible abutting member 32, the flexible abutting member 32 is embedded in a bottom surface of the second end of the pressing member 30, and the flexible abutting member 32 can abut against the optical fiber 100.
Specifically, a flexible abutting member 32 is embedded in a bottom surface of the second end of the pressing member 30, the flexible abutting member 32 is used for pressing the optical fiber 100, and optionally, the flexible abutting member 32 may have a cylindrical structure or a rectangular parallelepiped structure, one end of which is embedded in the pressing member 30, and the other end of which is used for abutting against the optical fiber 100.
Further, in the embodiment of the present invention, the flexible abutting member 32 is a cylinder, and the length of the cylinder is perpendicular to the length direction of the optical fiber 100.
In one embodiment of the present invention, as shown in fig. 1, the second end of the pressing member 30 is a U-shaped frame 34, and the flexible abutting member 32 is embedded in the bottom surface of the U-shaped frame 34. In the present embodiment, the second end of the pressing member 30 is designed as the U-shaped frame 34, which can save raw materials of the pressing member 30, reduce the weight of the pressing member 30, and reduce the manufacturing cost of the pressing member 30.
Further, as shown in fig. 1, the pressing member 30 is further provided with a pair of connecting portions 33. The two connecting parts 33 are arranged in parallel, the third groove 31 and the U-shaped frame 34 are respectively arranged at two sides of the connecting parts 33, wherein two groove walls of the third groove 31 are respectively connected with the pair of connecting parts 33, the U-shaped frame 34 is connected with top surfaces of the pair of connecting parts 33, and the connecting parts 33 are hinged with the second placing block 20.
Specifically, in this embodiment, when the bottom surface of the flexible abutting part 32 abuts against the optical fiber 100, the position of the flexible abutting part 32 changes, the connecting part 33 rotates around the hinge point, and then the third groove 31 is driven to move downwards, so that the first placing block 10 moves downwards, and the center of the light emitting end of the optical fiber 100 and the focus of the single convex lens are located on the same straight line.
As shown in fig. 1, in the embodiment of the present invention, the optical fiber alignment apparatus further includes a base 40, the base 40 is hinged to the pressing member 30, and the second placing block 20 is located on the top surface of the base 40.
Specifically, the top surface of the base 40 is provided with a fourth groove, the second placing block 20 is disposed in the fourth groove, and the bottom of the fourth groove and the bottom of the third groove are located on the same horizontal plane under the condition that the optical fiber 100 is not placed in the first groove 11 and the second groove 21.
Further, as shown in fig. 1, in the embodiment of the present invention, a side of the base 40 extends to a direction close to the first placing block 10 to form a protruding block 41, and the protruding block 41 is hinged to the pressing member 30.
Specifically, one side of the base 40 extends outwards to form a projection 41, the height of the projection 41 is less than that of the base 40, and the projection 41 is hinged with the connecting part 33 of the pressing member 30. The top surface of the base 40 is provided with a fourth groove, the bottom of the fourth groove and the bottom of the third groove of the pressing member 30 are located on the same horizontal plane, and the fourth groove is arranged opposite to the U-shaped frame 34. The first piece 20 that places is the same with the second height of placing piece 10, and then when optic fibre was put into first recess 11 and second recess 12, the bottom surface of flexible butt piece 32 can contact with optic fibre to make the position of flexible butt piece 32 change, drive the first piece 10 downstream of placing, and then the focus that makes the light-emitting end of optic fibre 100 and single convex lens is located same straight line.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (10)
1. An optical fiber alignment device, comprising:
the top surface of the first placing block is provided with a first groove;
the top surface of the second placing block is provided with a second groove, the second groove and the first groove are positioned on the same straight line, the shapes of the first groove and the second groove are the same, the first groove and the second groove are used for containing optical fibers, and the top surface of the first placing block and the top surface of the second placing block are positioned on the same horizontal plane under the condition that the optical fibers are not placed in the first placing block;
the pressing piece is hinged to the second placing block, the first placing block is arranged at the first end of the pressing piece, the second end of the pressing piece can be abutted to the optical fiber accommodated in the second groove, and the ratio of the length between the first end and the hinge point to the length between the second end and the hinge point is 1.
2. The optical fiber alignment device of claim 1, wherein the second end of the pressing member moves upward to move the first end of the pressing member downward when the pressing member rotates around the hinge point, wherein the first end moves downward by half of the upward displacement of the second end.
3. The optical fiber alignment device of claim 1, wherein the first end of the pressing member is provided with a third groove, and the first placement block is disposed in the third groove.
4. The optical fiber alignment device of claim 3, further comprising a flexible abutment member embedded in a bottom surface of the second end of the pressing member, the flexible abutment member being capable of abutting against the optical fiber.
5. The optical fiber alignment device of claim 4, wherein the flexible abutment is a cylinder, and a length direction of the cylinder is perpendicular to a length direction of the optical fiber.
6. The optical fiber alignment device of claim 4, wherein the second end of the pressing member is a U-shaped frame, the flexible abutting member is embedded in a bottom surface of the U-shaped frame, the pressing member is further provided with a pair of connecting portions, two of the connecting portions are arranged in parallel, and the third groove and the U-shaped frame are respectively arranged on two sides of the connecting portions;
the two groove walls of the third groove are respectively connected with the pair of connecting parts, the U-shaped frame is connected with the top surfaces of the pair of connecting parts, and the connecting parts are hinged with the second placing block.
7. The optical fiber alignment device of claim 1, wherein the first and second grooves are V-grooves.
8. The optical fiber alignment device of claim 3, further comprising a base, wherein the base is hinged to the pressing member, and the second placement block is disposed on a top surface of the base.
9. The optical fiber alignment device of claim 8, wherein a side of the base extends in a direction approaching the first placement block to form a protrusion, and the protrusion is hinged to the pressing member.
10. The optical fiber alignment device of claim 8, wherein the top surface of the base is provided with a fourth groove, the second placement block is disposed in the fourth groove, and a groove bottom of the fourth groove is located at the same level as a groove bottom of the third groove in a state where the optical fiber is not placed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222435359.4U CN218470144U (en) | 2022-09-14 | 2022-09-14 | Optical fiber alignment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222435359.4U CN218470144U (en) | 2022-09-14 | 2022-09-14 | Optical fiber alignment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218470144U true CN218470144U (en) | 2023-02-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222435359.4U Active CN218470144U (en) | 2022-09-14 | 2022-09-14 | Optical fiber alignment device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218470144U (en) |
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2022
- 2022-09-14 CN CN202222435359.4U patent/CN218470144U/en active Active
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