CN211505968U - Optical device structure and connecting device thereof - Google Patents
Optical device structure and connecting device thereof Download PDFInfo
- Publication number
- CN211505968U CN211505968U CN202020030961.8U CN202020030961U CN211505968U CN 211505968 U CN211505968 U CN 211505968U CN 202020030961 U CN202020030961 U CN 202020030961U CN 211505968 U CN211505968 U CN 211505968U
- Authority
- CN
- China
- Prior art keywords
- collimator
- hole
- interference
- device structure
- press
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 230000003287 optical effect Effects 0.000 title claims abstract description 70
- 238000000034 method Methods 0.000 claims abstract description 42
- 238000010168 coupling process Methods 0.000 claims abstract description 23
- 230000008878 coupling Effects 0.000 claims abstract description 22
- 238000005859 coupling reaction Methods 0.000 claims abstract description 22
- 238000012544 monitoring process Methods 0.000 claims description 19
- 238000006073 displacement reaction Methods 0.000 claims description 7
- 238000003780 insertion Methods 0.000 claims description 7
- 230000037431 insertion Effects 0.000 claims description 7
- 238000003825 pressing Methods 0.000 claims description 5
- 238000003466 welding Methods 0.000 abstract description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 239000000835 fiber Substances 0.000 description 5
- 230000002457 bidirectional effect Effects 0.000 description 4
- 239000003292 glue Substances 0.000 description 4
- 238000004026 adhesive bonding Methods 0.000 description 3
- 238000004891 communication Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000007373 indentation Methods 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 239000010964 304L stainless steel Substances 0.000 description 1
- 229910000881 Cu alloy Inorganic materials 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000013307 optical fiber Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 229910001256 stainless steel alloy Inorganic materials 0.000 description 1
Images
Landscapes
- Mounting And Adjusting Of Optical Elements (AREA)
- Optical Couplings Of Light Guides (AREA)
Abstract
The utility model discloses an optical device structure, its connecting device. The utility model provides an among optical device structure, its connecting device, can realize the accurate alignment of collimator and optical module box under the passive condition, utilize interference fit to carry out the coupling connection of collimator, need not laser welding and sticky active coupling connection scheme, realize the passive coupling connection of collimator, possess real-time supervision simultaneously and judge the system, overall structure and simple process, it is convenient to install, and is with low costs, and production efficiency is high.
Description
Technical Field
The utility model relates to an optical communication field especially relates to an optical device structure, its connecting device.
Background
Currently, single-fiber bidirectional transmission (single-fiber bidirectional) has become one of the main technologies in the optical transmission solution in the field of 5G fiber communication.
The premise of realizing single-fiber bidirectional is that a transmitting end and a receiving end in the optical transceiver module are coupled into or led out of an optical fiber by using the same collimator; therefore, the connection and coupling process of the collimator has become a key process in the preparation of a single-fiber bidirectional transceiver module for optical communication.
The existing connecting process of the optical module box and the collimator mainly adopts a laser welding or glue bonding mode, and the laser welding process has the defects of large alignment error, multi-step working procedures, low mass production efficiency and the like; the glue bonding mode has extremely high requirements on the alignment precision, the bonding force and curing of the glue, the baking, the thermal cycle and other reliability; meanwhile, the two methods require an active device to carry out alignment correction on the connection process, and the process and equipment operation are complex.
SUMMERY OF THE UTILITY MODEL
An object of the present invention is to provide an optical device structure, which optimizes the connection and realizes high quality of the product;
another object of the utility model is to provide an optical device structure connecting device optimizes the connection process, improves the connection quality, reduce cost.
In order to solve the above technical problem, according to the present invention, there is provided an optical device structure, including:
the optical module box is provided with a hole, the collimator is provided with an insertion end, and the insertion end is connected with the hole in an interference fit mode.
Optionally, for the optical device structure, a chamfer is provided at an interference position of the collimator and the hole.
Optionally, for the optical device structure, the interference between the collimator and the hole is 5-30 μm, the roundness between the collimator and the hole is that the diameter difference in the vertical direction is 0-5 μm, the interference length is 1-10 mm, and the chamfer ratio at the interference position is 1: 10-1: 100.
According to the utility model discloses a second aspect provides an optical device structure connecting device, include:
a collimator alignment system, a coupling angle monitoring system and a pressure real-time monitoring system,
the collimator alignment system realizes the initial alignment of the collimator and the hole of the optical module box, and maintains the angle of the collimator after press-in process and final coupling;
the coupling angle monitoring system monitors the angle of the collimator in the interference fit press-in process;
the pressure real-time monitoring system detects the relation between the pressure and the interference distance in the pressing-in process in real time and monitors the pressure borne by the collimator in the pressing-in process.
Optionally, for the optical device structure connecting apparatus, the collimator alignment system includes an optical module box fixing jig, a collimator XY movement adjusting platform, a collimator fixing jig, and a position recognition system, the optical module box fixing jig and the collimator fixing jig enable an axis of a hole of the optical module box to be parallel to an axis of the collimator, the position recognition system recognizes a position of the hole, and the collimator and the hole are coaxial by using the collimator XY movement adjusting platform.
Optionally, for the optical device structure connection device, the coupling angle monitoring system includes a plurality of laser sensors disposed at different positions in the press-in direction on the collimator apparatus base, and the laser sensors monitor the distance of the collimator pressed into the hole of the optical module box in real time and monitor the angle of the collimator in the interference fit press-in process.
Optionally, for the optical device structure connection device, the pressure real-time monitoring system includes a press machine and a Z-direction displacement sensor, a curve between real-time pressure and an interference distance in the press-in process is obtained through the Z-direction displacement sensor, and the pressure borne by the collimator in the press-in process is monitored.
The utility model provides an among optical device structure, its connecting device, can realize the accurate alignment of collimator and optical module box under the passive condition, utilize interference fit to carry out the coupling connection of collimator, need not laser welding and sticky active coupling connection scheme, realize the passive coupling connection of collimator, possess real-time supervision simultaneously and judge the system, overall structure and simple process, it is convenient to install, and is with low costs, and production efficiency is high.
Drawings
FIG. 1 is a schematic diagram of a prior art structure of a light device;
fig. 2 is a schematic structural diagram of a connection device of an optical device structure according to an embodiment of the present invention;
fig. 3 is a flowchart of a method for connecting optical device structures according to an embodiment of the present invention;
fig. 4 is a schematic diagram illustrating a relationship between the pressing force and the interference distance according to an embodiment of the present invention.
Detailed Description
The optical device structure, its connection device and method of the present invention will now be described in more detail with reference to the drawings, in which preferred embodiments of the present invention are shown, it being understood that those skilled in the art can modify the invention herein described while still achieving the advantageous effects of the present invention. Accordingly, the following description should be construed as broadly as possible to those skilled in the art and not as limiting the invention.
The invention is described in more detail in the following paragraphs by way of example with reference to the accompanying drawings. The advantages and features of the present invention will become more fully apparent from the following description and appended claims. It should be noted that the drawings are in simplified form and are not to precise scale, and are provided for convenience and clarity in order to facilitate the description of the embodiments of the present invention.
In the description that follows, it will be understood that when a layer (or film), region, pattern, or structure is referred to as being "on" a housing (or substrate), layer (or film), region, and/or pattern, it can be directly on another layer or substrate, and/or intervening layers may also be present. In addition, it will be understood that when a layer is referred to as being "under" another layer, it can be directly under the other layer, and/or one or more intervening layers may also be present. In addition, references to "on" and "under" layers may be made based on the drawings.
As shown in fig. 1, an embodiment of the present invention provides an optical device structure, including:
an optical module cartridge 200 having a hole and a collimator 100 having an insertion end that is connected together with the hole in an interference fit.
In particular, as can be seen in fig. 1, a chamfer is provided at the interference position of the collimator 100 and the hole.
Preferably, in an embodiment of the present invention, the interference between the collimator 100 and the hole is between 5 μm and 30 μm, such as 6 μm, 7 μm, 8 μm, 9 μm, 10 μm, 11 μm, 12 μm, 13 μm, 14 μm, 15 μm, 16 μm, 17 μm, 18 μm, 19 μm, 20 μm, 21 μm, 22 μm, 23 μm, 24 μm, 25 μm, 26 μm, 27 μm, 28 μm, 29 μm, etc., the roundness between the collimator 100 and the hole is a difference between diameters in the vertical direction of 0 μm and 5 μm, such as 0.2 μm, 0.5 μm, 0.8 μm, 1 μm, 1.5 μm, 2 μm, 2.5 μm, 3 μm, 3.5 μm, 4 μm, 4.5 μm, etc., the interference length is between 1mm and 10mm, such as 1mm, 3mm, 6mm, 7mm, 10mm, and the ratio between 1mm and 1mm, e.g., 1:20,1:30,1:40,1:50,1:60,1:70,1:80,1:90, etc.
In one embodiment, the outer layer of the collimator 100 is at least one of stainless steel, copper, aluminum alloy, and ceramic; the material of the optical module box is at least one of stainless steel, copper and aluminum alloy.
It should be understood that the above parameter settings are not limited thereto, and those skilled in the art can flexibly adjust the parameters according to actual needs.
It is thus clear that the utility model discloses to laser welding and glue bonding process's shortcoming and problem such as the multistep process, glue quantity exposure control and active alignment complicacy, provided the technical thought that utilizes interference fit, replace welding and glue through the tight fit to realize the collimater and connect, realize need not any glue and passive circular collimater coupling connection.
Following, the utility model provides an optical device structure connecting device, this optical device structure connecting device can be used for going on the utility model discloses the connection of optical device structure, this device includes:
a collimator alignment system, a coupling angle monitoring system and a pressure real-time monitoring system,
the collimator alignment system realizes the initial alignment of the collimator and the hole of the optical module box, and maintains the angle of the collimator after press-in process and final coupling;
the coupling angle monitoring system monitors the angle of the collimator in the interference fit press-in process;
the pressure real-time monitoring system detects the relation between the pressure and the interference distance in the pressing-in process in real time and monitors the pressure borne by the collimator in the pressing-in process.
Specifically, referring to fig. 2, the collimator alignment system includes an optical module box fixing jig 8, a collimator XY movement adjusting platform 3, a collimator fixing jig 4, and a position recognition system 5, the optical module box fixing jig 8 and the collimator fixing jig 4 make the axis of the hole of the optical module box 7 parallel to the axis of the collimator 6, the position recognition system 5 recognizes the position of the hole, and the collimator 6 and the hole are coaxial by using the collimator XY movement adjusting platform 3.
In one embodiment, the fixing clamp only needs to be able to clamp and fix the corresponding module.
In one embodiment, the collimator XY-movement adjustment stage 3 is capable of movement in both XY directions, for example, manually; as another example, automatic position movement may be achieved by control system 12.
For example, the position recognition system 5 may have a CCD sensor, or a CMOS sensor.
The embodiment of the utility model provides an in, coupling angle monitoring system is including setting up a plurality of laser sensor 10, 11 of different places in the direction of impressing on collimator device base 9, through laser sensor real-time supervision collimator is impressed the distance in the hole of optical module box 7 monitors the angle that interference fit impresses the in-process collimator.
Preferably, the number of the laser sensors is two, and the angle monitoring can be better realized by arranging the laser sensors at different positions, and it can be understood that the number of the laser sensors can be more.
The embodiment of the utility model provides an in, pressure real-time supervision system includes press 1 and Z direction displacement sensor 2, through Z direction displacement sensor 2 obtains the curve between the in-process real-time pressure of impressing and the interference distance, monitors the in-process of impressing 6 bearing pressure size.
As can be seen from fig. 2, the press 1, the Z-direction displacement sensor 2, the collimator XY-movement adjusting platform 3, the position recognition system 5, and the laser sensors 10 and 11 are directly connected to the control system 12, so that the control and driving of the corresponding components can be realized by the control system 12.
Preferably, in the optical device structure connecting device of the present invention, the alignment accuracy of the collimator and the hole of the optical module case is in a range of 0.2 to 2 μm, for example, 0.5 μm, 0.8 μm, 1 μm, 1.2 μm, 1.5 μm, or the like; the step precision of the laser sensor is 0.2-2 μm, such as 0.5 μm, 0.8 μm, 1 μm, 1.2 μm, 1.5 μm, etc.; the press machine has a step precision of 0.2 to 2 μm, for example, 0.5 μm, 0.8 μm, 1 μm, 1.2 μm, 1.5 μm, etc., and a press speed of 10 μm/s to 1000 μm/s, for example, 20 μm/s, 30 μm/s, 40 μm/s, 50 μm/s, 60 μm/s, 70 μm/s, 80 μm/s, 90 μm/s, 100 μm/s, 200 μm/s, 300 μm/s, 400 μm/s, 500 μm/s, 600 μm/s, 700 μm/s, 800 μm/s, 900 μm/s, etc.
Referring to fig. 3, an application of the above apparatus is described, and in particular, a method for connecting an optical device structure includes:
step S11, providing a collimator and an optical module box, wherein the optical module has a hole, the collimator has an insertion end, and the insertion end and the hole are designed in an interference mode;
step S12, mounting and aligning the collimator and the optical module box, fixing the collimator and the optical module box on a clamp, recognizing the position of a hole of the optical module box by using a position recognition system, adjusting the XY direction of the collimator to be concentric with the hole, and pressing the collimator into the hole until the collimator is in an interference position;
step S13, setting press-in parameters, and pressing the collimator into the hole of the optical module box by a press;
step S14, extracting a parameter curve of the pressing-in process; and
and step S15, comparing the parameter curve of the pressing-in process with the theoretical parameter curve, and judging whether the connection is qualified.
Specifically, in one embodiment, the press-in parameters include interference, a press-in distance and a press-in speed, and extracting a press-in process parameter curve includes obtaining a relationship between the press-in force with the interference distance under the interference and a maximum pressure value, and calculating an inclination angle of the collimator in the interference fit.
Specifically, in an embodiment, the determining whether the connection is qualified includes:
whether the maximum press-in force range is between 20kg and 100kg in the press-in process;
whether the inclination angle range of the collimator in interference fit press-in is between 0 and 0.7 degrees or not; and
whether the curve of the press-in force and the interference distance in the interference fit press-in process is in the curve range of-30% of the curve which takes the curve of the press-in force and the interference distance calculated theoretically as a central value.
Fig. 4 illustrates a relationship curve between the press-in force and the interference distance in the embodiment of the present invention, in which the abscissa represents the interference distance (unit mm) and the ordinate represents the press-in force (unit kg).
Specific examples are as follows:
step S11, providing a collimator and an optical module box, wherein the collimator and the optical module box are made of 304L stainless steel, the diameter of the collimator is 2.600mm, the diameter of a hole of the optical module box is 2.580mm, the interference magnitude is 20 μm, and the difference of roundness is 2 μm; the interference length is 1.4mm, and the chamfer ratio at the interference position is 1: 20.
Step S12, mounting and aligning the collimator and the optical module box, fixing the collimator and the optical module box on a device jig, adjusting the CCD above the aperture of the optical module box, identifying the position of the center of the aperture, and setting the position as the origin of coordinates; moving the CCD away, moving the center of the collimator clamp to the origin of coordinates, and downward until a pressure value appears, namely an interference position;
step S13-step S14: inputting interference magnitude of 20 micrometers, setting the press-in speed of the press machine to be 100 micrometers/s, setting the press-in distance to be 1.4mm, obtaining a relation curve between press-in force and press-in distance (namely interference distance) on a control system, and calculating the press-in angle of the collimator to be 0.3 degrees in a position offset of the collimator in a collimation angle monitoring system;
step S15, interference result determination: the curve of the relationship between the press-in force and the press-in distance in the experiment is compared with a theoretical curve, the press-in curve is located in the range of the theoretical curve as a central value and floating up and down by-10%, meanwhile, the maximum pressure value is 60kg, and the final angle of the collimator is smaller than 0.5 degrees. And according to the judgment conditions, the indentation curve, the pressure value and the collimator angle of the sample all accord with the indentation condition standard, and the sample is a normal sample which accords with the standard.
To sum up, the utility model provides an among optical device structure, its connecting device and the method, can realize the accurate alignment of collimator and optical module box under the passive condition, utilize interference fit to carry out the coupling of collimator and connect, need not laser welding and sticky active coupling connection scheme, realize the passive coupling of collimator and connect, possess real-time supervision simultaneously and judge the system, overall structure and simple process, it is convenient to install, and is with low costs, and production efficiency is high.
It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (7)
1. A light device structure, comprising:
the optical module box is provided with a hole, the collimator is provided with an insertion end, and the insertion end is connected with the hole in an interference fit mode.
2. The light device structure of claim 1, wherein a chamfer is provided at an interference location of the collimator and the hole.
3. The optical device structure as claimed in claim 2, wherein the interference between the collimator and the hole is 5-30 μm, the roundness between the collimator and the hole is that the diameter difference in the vertical direction is 0-5 μm, the interference length is 1-10 mm, and the chamfer ratio at the interference position is 1: 10-1: 100.
4. An optical device structure connecting apparatus, comprising:
a collimator alignment system, a coupling angle monitoring system and a pressure real-time monitoring system,
the collimator alignment system realizes the initial alignment of the collimator and the hole of the optical module box, and maintains the angle of the collimator after press-in process and final coupling;
the coupling angle monitoring system monitors the angle of the collimator in the interference fit press-in process;
the pressure real-time monitoring system detects the relation between the pressure and the interference distance in the pressing-in process in real time and monitors the pressure borne by the collimator in the pressing-in process.
5. The optical device structure connecting apparatus according to claim 4, wherein the collimator alignment system includes an optical module box fixing jig, a collimator XY movement adjusting platform, a collimator fixing jig, and a position recognition system, the axis of the hole of the optical module box is made parallel to the axis of the collimator by the optical module box fixing jig and the collimator fixing jig, the position of the hole is recognized by the position recognition system, and the collimator is made coaxial with the hole by the collimator XY movement adjusting platform.
6. The optical device structure connecting apparatus as claimed in claim 4, wherein the coupling angle monitoring system includes a plurality of laser sensors disposed at different positions in the press-in direction on the collimator apparatus base, and the laser sensors monitor a distance of the collimator pressed into the hole of the optical module case in real time, and monitor an angle of the collimator during press-in of the interference fit.
7. The optical device structure connection device according to claim 4, wherein the real-time pressure monitoring system comprises a press machine and a Z-direction displacement sensor, a curve between real-time pressure and an interference distance in the pressing process is obtained through the Z-direction displacement sensor, and the pressure borne by the collimator in the pressing process is monitored.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020030961.8U CN211505968U (en) | 2020-01-08 | 2020-01-08 | Optical device structure and connecting device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020030961.8U CN211505968U (en) | 2020-01-08 | 2020-01-08 | Optical device structure and connecting device thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211505968U true CN211505968U (en) | 2020-09-15 |
Family
ID=72399108
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020030961.8U Active CN211505968U (en) | 2020-01-08 | 2020-01-08 | Optical device structure and connecting device thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211505968U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111103665A (en) * | 2020-01-08 | 2020-05-05 | 菲尼萨光电通讯(上海)有限公司 | Optical device structure, connecting device and method thereof |
-
2020
- 2020-01-08 CN CN202020030961.8U patent/CN211505968U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111103665A (en) * | 2020-01-08 | 2020-05-05 | 菲尼萨光电通讯(上海)有限公司 | Optical device structure, connecting device and method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20070058904A1 (en) | Method of alignment of an optical module and an optical module using thereof | |
| CN211505968U (en) | Optical device structure and connecting device thereof | |
| US20080316350A1 (en) | Image Acquisition System | |
| JP2002503355A (en) | Alignment of optical components | |
| CN108196337B (en) | Preparation equipment and preparation method of polarization maintaining optical fiber array | |
| CN111103665A (en) | Optical device structure, connecting device and method thereof | |
| CN115582791B (en) | Precise force control self-locating assembly method | |
| CN205263364U (en) | Optical module passive coupling alignment device | |
| TW201743400A (en) | Method for aligning object on alignment platform by utilizing two cameras, method for aligning and gluing substrate of display panel, and method for aligning upper and lower substrates of display panel | |
| JP2023051804A (en) | Mounting equipment | |
| US20020071642A1 (en) | Installation structure and method for optical parts and electric parts | |
| CA2187961A1 (en) | Method and apparatus for alignment and bonding | |
| JPH0266504A (en) | Optical transmitter module manufacturing equipment | |
| CN114349369A (en) | Optical fiber drawing coating concentricity online detection adjusting device and using method thereof | |
| CN109064886A (en) | A kind of binding board horizontal alignment system and method | |
| CN219916006U (en) | Coupling tool | |
| CN209821438U (en) | Multi-lens coupling clamp | |
| CN112595433A (en) | Glue sealing system and method for optical fiber sensing probe | |
| US7093986B2 (en) | Low cost optical module | |
| CN219356736U (en) | Automatic calibration equipment | |
| CN114114564B (en) | A space light-fiber coupling device and method based on visual detection | |
| CN114137673B (en) | Coupling device and method of optical device | |
| CN112764172B (en) | Multi-channel pre-alignment system and multi-channel pre-alignment method based on machine vision | |
| CN101435898A (en) | Method for coupling emission light power of DFB laser coaxial light transmit-receive device reliably | |
| CN201011514Y (en) | Bearing holder rivet checking device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |