CN111999826A - High-precision optical module and assembling method thereof - Google Patents
High-precision optical module and assembling method thereof Download PDFInfo
- Publication number
- CN111999826A CN111999826A CN202011016248.9A CN202011016248A CN111999826A CN 111999826 A CN111999826 A CN 111999826A CN 202011016248 A CN202011016248 A CN 202011016248A CN 111999826 A CN111999826 A CN 111999826A
- Authority
- CN
- China
- Prior art keywords
- optical
- movable block
- main body
- optical module
- optical interface
- 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.)
- Pending
Links
- 230000003287 optical effect Effects 0.000 title claims abstract description 130
- 238000000034 method Methods 0.000 title claims abstract description 15
- 238000003466 welding Methods 0.000 claims description 6
- 239000003292 glue Substances 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 3
- 229910000679 solder Inorganic materials 0.000 claims description 3
- 239000013307 optical fiber Substances 0.000 abstract description 12
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 230000010354 integration Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/42—Coupling light guides with opto-electronic elements
- G02B6/4201—Packages, e.g. shape, construction, internal or external details
- G02B6/4219—Mechanical fixtures for holding or positioning the elements relative to each other in the couplings; Alignment methods for the elements, e.g. measuring or observing methods especially used therefor
- G02B6/4236—Fixing or mounting methods of the aligned elements
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/42—Coupling light guides with opto-electronic elements
- G02B6/4201—Packages, e.g. shape, construction, internal or external details
- G02B6/4274—Electrical aspects
- G02B6/428—Electrical aspects containing printed circuit boards [PCB]
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Couplings Of Light Guides (AREA)
Abstract
The invention discloses a high-precision optical module and an assembly method thereof, belonging to the technical field of optical communication manufacturing. According to the high-precision optical module and the assembling method thereof, the space gap is formed between the main body and the optical interface movable block, so that the problem that the optical interface and the external optical fiber connector are not easy to insert and pull caused by manufacturing tolerance is solved, the space gap is converted into position tolerance through the space gap, the space gap is adjusted through the relative position of the optical interface movable block and the external optical fiber connector, the space gap is filled, the optical interface movable block is fixed, and the external connector and the optical module can be inserted and pulled out more easily while the high precision of the relative position of the optical interface movable block is ensured.
Description
Technical Field
The invention belongs to the technical field of optical communication manufacturing, and particularly relates to a high-precision optical module and an assembling method thereof.
Background
With the rapid development of cloud computing and enterprise data centers, the demands for high-speed optical devices and optical modules of 100G, 200G, 400G and the like are gradually increased. Integrating more and higher-speed optical devices in an optical module with a limited size space and being easy for mass production are problems to be solved preferentially by the current large-planning commercial application of the high-speed optical module.
In the existing optical module, an optical device is connected with a printed circuit board through soft board welding, along with the improvement of the speed of the optical device and the integration degree of the optical device, the number of required connecting bonding pads is continuously increased, the distance between the bonding pads is continuously reduced, the welding reliability of the soft board welding is adopted, and the consistency of the high-speed indexes of the optical device is greatly reduced.
In the existing optical module, an optical device is connected with a printed circuit board through hard connection, an optical interface is connected with the optical device through optical fibers, and the optical fiber connection has the defects of optical loss, complex assembly, easy damage of the optical fibers, structural limitation and the like.
When the optical module is connected with an optical fiber connector or other connectors, the connectors are inserted into the jacks to realize the butt joint with the optical interface part. This requires high precision in fixing the relative position between the optical interface and the jack after the optical module is assembled, which may cause poor alignment precision or difficulty in inserting and removing the connector and electromagnetic leakage.
Disclosure of Invention
Technical problem to be solved
In order to overcome the above defects in the prior art, the present invention provides a high precision optical module and an assembling method thereof, which solve the problems that in the existing process of connecting an optical module and an optical fiber connector, the precision of fixing the relative position of an optical interface part and a jack after the optical module is assembled is very high, otherwise, the alignment precision is not high, or the connector is difficult to plug and unplug, and electromagnetic leakage are easily caused.
(II) technical scheme
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a high accuracy optical module, includes the main part, the upper surface of main part is provided with the apron, be provided with printed circuit board, optical device and optical interface in the main part, printed circuit board, optical device and optical interface all are located the below of apron, the right-hand member of main part is provided with the optical interface movable block, printed circuit board and optical device, optical interface and the mutual fixed connection of optical interface movable block, leave unfixed space gap around the optical interface movable block is connected with the main part right-hand member, space gap is located between optical interface movable block and the main part overlapping position.
As a further scheme of the invention: the optical interface movable block is movably connected to the right end of the main body in an inserting mode.
As a further scheme of the invention: the space gap is not limited to various space shapes or planar shapes and labyrinth structures.
As a further scheme of the invention: the space gap is filled with any one of glue, solder or other flexible material.
As a further scheme of the invention: the number of the optical interfaces is one or more than one, and the number of the optical interface movable blocks is one or two.
As a further scheme of the invention: the printed circuit board and one or more than one optical device are in rigid connection, and the rigid connection is screw fixation, glue dispensing, tight fit or welding.
A method for assembling a high-precision optical module comprises the following steps:
and S1, assembling the optical device and the printed circuit board in the main body.
And S2, assembling the optical interface movable block at the corresponding position of the main body.
And S3, adjusting the position of the optical interface movable block relative to the main body according to the position of the optical interface.
And S4, after the optical interface movable block is adjusted to a required position, fixedly connecting the optical interface movable block with the main body.
And S5, mounting the cover plate on the main body by using screws.
(III) advantageous effects
Compared with the prior art, the invention has the beneficial effects that:
1. according to the high-precision optical module and the assembling method thereof, the space gap is formed between the main body and the optical interface movable block, so that the problem that the optical interface and the external optical fiber connector are not easy to insert and pull caused by manufacturing tolerance is solved, the space gap is converted into position tolerance through the space gap, the space gap is adjusted through the relative position of the optical interface movable block and the external optical fiber connector, the space gap is filled, the optical interface movable block is fixed, and the external connector and the optical module can be inserted and pulled out more easily while the high precision of the relative position of the optical interface movable block is ensured.
2. According to the high-precision optical module and the assembling method thereof, the printed circuit board, the optical device and the optical interface are in hard connection, so that the module speed, the integration level, the reliability and the manufacturing efficiency are improved, and a space gap is reserved between the optical interface movable block and the main body.
3. According to the high-precision optical module and the assembling method thereof, the assembling process of adjusting the relative position of the space gap and the external optical fiber connector is adopted, so that the external optical writing connector and the optical interface are easier to plug and pull, the assembling is convenient, and the high-speed transmission performance is improved.
Drawings
Fig. 1 is a schematic diagram of an explosion structure of a high-precision optical module;
fig. 2 is a three-dimensional structural schematic diagram of a high-precision optical module;
FIG. 3 is a schematic front view of a high-precision optical module;
FIG. 4 is a schematic structural view of section A-A in FIG. 3;
in the figure: 1 main part, 2 apron, 3 printed circuit board, 4 optical device, 5 optical interface, 6 optical interface movable blocks, 7 space gaps.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
As shown in fig. 1 to 4, the present invention provides a technical solution: a high-precision optical module comprises a main body 1, a cover plate 2 is arranged on the upper surface of the main body 1, a printed circuit board 3, an optical device 4 and an optical interface 5 are arranged in the main body 1, the printed circuit board 3, the optical device 4 and the optical interface 5 are all positioned below the cover plate 2, an optical interface movable block 6 is arranged at the right end of the main body 1, the printed circuit board 3 is fixedly connected with the optical device 4, the optical interface 5 and the optical interface movable block 6, a non-fixed space gap 7 is reserved around the connection between the optical interface movable block 6 and the right end of the main body 1, the space gap 7 is positioned between the overlapping positions of the optical interface movable block 6 and the main body 1, the space gap 7 is arranged between the connection between the main body 1 and the optical interface movable block 6, so that the problem that the optical interface 5 and an external optical fiber connector are not easy to insert and pull caused by manufacturing tolerance is solved, the space gap 7 is converted into position tolerance, and then the, thereby fix optical interface movable block 6 to space gap 7 fills, when guaranteeing that optical interface movable block 6 relative position precision is high, can make external connector and optical module plug more easily.
The optical interface movable block 6 is movably connected at the right end of the main body 1 in a plugging mode.
The space gap 7 is not limited to various space shapes or planar shapes and labyrinth structures.
The space gap 7 is filled with any of glue, solder or other flexible material.
One or more optical interfaces 5 and one or two optical interface movable blocks 6.
The printed circuit board 3 is in rigid connection with one or more optical devices 4, the rigid connection is in screw fixation, glue dispensing, tight fit or welding, the printed circuit board 3 is in rigid connection with the optical devices 4 and the optical interfaces 5, so that the module speed, the integration level, the reliability and the manufacturing efficiency are improved, and a space gap 7 is reserved between the optical interface movable block 6 and the main body 1.
A method for assembling a high-precision optical module comprises the following steps:
s1, the optical device 4 and the printed circuit board 3 are mounted in the main body 1.
S2, the optical interface moving block 6 is mounted at a position corresponding to the main body 1.
S3, adjusting the position of the optical interface movable block 6 relative to the main body 1 according to the position of the optical interface 5.
S4, after the optical interface movable block 6 is adjusted to the required position, the optical interface movable block 6 is fixedly connected with the main body 1.
S5, the cover 2 is attached to the main body 1 with screws.
Through adopting the assembly process of adjusting the relative position of the space gap 7 and the external optical fiber connector, the external optical writing connector and the optical interface 5 are easier to plug and pull, and the mode is convenient to assemble, and the performance of high-speed transmission is improved.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.
Claims (7)
1. A high-precision optical module comprising a body (1), characterized in that: the upper surface of main part (1) is provided with apron (2), be provided with printed circuit board (3), optical device (4) and light interface (5) in main part (1), printed circuit board (3), optical device (4) and light interface (5) all are located the below of apron (2), the right-hand member of main part (1) is provided with light interface movable block (6), printed circuit board (3) and optical device (4), light interface (5) and the mutual fixed connection of light interface movable block (6), leave unfixed space gap (7) around light interface movable block (6) and main part (1) right-hand member are connected, space gap (7) are located between light interface movable block (6) and main part (1) overlap position.
2. A high precision optical module according to claim 1, characterized in that: the optical interface movable block (6) is movably connected to the right end of the main body (1) in an inserting mode.
3. A high precision optical module according to claim 1, characterized in that: the space gap (7) is not limited to various spatial shapes or planar shapes and labyrinth structures.
4. A high precision optical module according to claim 1, characterized in that: the space gap (7) is filled with any one of glue, solder or other flexible material.
5. A high precision optical module according to claim 1, characterized in that: the number of the optical interfaces (5) is one or more than one, and the number of the optical interface movable blocks (6) is one or two.
6. A high precision optical module according to claim 1, characterized in that: the printed circuit board (3) is in rigid connection with one or more optical devices (4), and the rigid connection is screw fixation, dispensing, tight fit or welding.
7. A method for assembling a high-precision optical module is characterized by comprising the following steps:
s1, assembling the optical device (4) and the printed circuit board (3) in the main body (1);
s2, assembling the optical interface movable block (6) at the corresponding position of the main body (1);
s3, adjusting the position of the optical interface movable block (6) relative to the main body (1) according to the position of the optical interface (5);
s4, after the optical interface movable block (6) is adjusted to a required position, fixedly connecting the optical interface movable block (6) with the main body (1);
and S5, mounting the cover plate (2) on the main body (1) by using screws.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011016248.9A CN111999826A (en) | 2020-09-24 | 2020-09-24 | High-precision optical module and assembling method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011016248.9A CN111999826A (en) | 2020-09-24 | 2020-09-24 | High-precision optical module and assembling method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111999826A true CN111999826A (en) | 2020-11-27 |
Family
ID=73475439
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011016248.9A Pending CN111999826A (en) | 2020-09-24 | 2020-09-24 | High-precision optical module and assembling method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111999826A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113589454A (en) * | 2021-09-27 | 2021-11-02 | 武汉联特科技股份有限公司 | Optical module hard connection implementation method and optical module |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20160041343A1 (en) * | 2012-12-10 | 2016-02-11 | Applied Optoelectronics, Inc. | Multi-channel optical transceiver module including dual fiber type direct link adapter for optically coupling optical subassemblies in the transceiver module |
| US20180136416A1 (en) * | 2016-11-14 | 2018-05-17 | Sumitomo Electric Industries, Ltd. | Optical transceiver |
| US20180267263A1 (en) * | 2017-03-14 | 2018-09-20 | Finisar Corporation | Optical module with integrated lens |
| CN109283633A (en) * | 2017-07-19 | 2019-01-29 | 苏州旭创科技有限公司 | Optical module and its assembly method |
| CN212540795U (en) * | 2020-09-24 | 2021-02-12 | 武汉锐奥特科技有限公司 | High-precision optical module |
-
2020
- 2020-09-24 CN CN202011016248.9A patent/CN111999826A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20160041343A1 (en) * | 2012-12-10 | 2016-02-11 | Applied Optoelectronics, Inc. | Multi-channel optical transceiver module including dual fiber type direct link adapter for optically coupling optical subassemblies in the transceiver module |
| US20180136416A1 (en) * | 2016-11-14 | 2018-05-17 | Sumitomo Electric Industries, Ltd. | Optical transceiver |
| US20180267263A1 (en) * | 2017-03-14 | 2018-09-20 | Finisar Corporation | Optical module with integrated lens |
| CN109283633A (en) * | 2017-07-19 | 2019-01-29 | 苏州旭创科技有限公司 | Optical module and its assembly method |
| CN212540795U (en) * | 2020-09-24 | 2021-02-12 | 武汉锐奥特科技有限公司 | High-precision optical module |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113589454A (en) * | 2021-09-27 | 2021-11-02 | 武汉联特科技股份有限公司 | Optical module hard connection implementation method and optical module |
| CN113589454B (en) * | 2021-09-27 | 2021-12-28 | 武汉联特科技股份有限公司 | Optical module hard connection implementation method and optical module |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20190326693A1 (en) | Electrical connector | |
| EP4283360A1 (en) | Photoelectric adapter and communication system | |
| CN212540795U (en) | High-precision optical module | |
| CN101019281A (en) | Photoelectric composite connector and substrate using the same | |
| CN115826159A (en) | Optical module, optical module and assembling method thereof | |
| CN111999826A (en) | High-precision optical module and assembling method thereof | |
| CN111999829A (en) | A kind of embedded optical module and its assembly method | |
| CN212540794U (en) | Direct-connected optical module | |
| CN103983821A (en) | High-frequency performance test structure for pluggable optical module connector | |
| CN212540793U (en) | Embedded optical module | |
| CN102147510A (en) | Cable assembly having floatable optical module | |
| CN116130992A (en) | Communication device with blind-mate and floating mechanism | |
| CN111999828A (en) | A direct-connected optical module and its assembly method | |
| CN109830848B (en) | Module structure for high-speed connector and high-speed connector | |
| CN206059794U (en) | A kind of signal wiring connector of card holding structure | |
| CN215452013U (en) | Welding-free crimping tool for high-density PCB (printed circuit board) plugging high-speed signal connector | |
| CN216491261U (en) | Concatenation formula power supply line board | |
| CN218037454U (en) | Optical module | |
| CN101917825B (en) | Connecting method and connecting device of photoelectric component and main printed circuit board | |
| CN213934302U (en) | Optical fiber adapter | |
| CN110764196A (en) | Pinless Pluggable Alignment Structure for Coupling Fiber Arrays to Planar Optical Waveguides | |
| CN212181092U (en) | Optical module | |
| CN104459878A (en) | Soft and hard photoelectric composite board and manufacturing method thereof | |
| CN109100833B (en) | Parallel coupling photoelectric integrated circuit board connector and manufacturing method thereof | |
| JPH1152181A (en) | Batch connection structure of multiple optical connectors |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |