CN105929492A - Optical module - Google Patents
Optical module Download PDFInfo
- Publication number
- CN105929492A CN105929492A CN201610502780.9A CN201610502780A CN105929492A CN 105929492 A CN105929492 A CN 105929492A CN 201610502780 A CN201610502780 A CN 201610502780A CN 105929492 A CN105929492 A CN 105929492A
- Authority
- CN
- China
- Prior art keywords
- optical
- fiber
- fixation kit
- optical module
- lens subassembly
- 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
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
- G02B6/4244—Mounting of the optical 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
- G02B6/4204—Packages, e.g. shape, construction, internal or external details the coupling comprising intermediate optical elements, e.g. lenses, holograms
-
- 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
- G02B6/4296—Coupling light guides with opto-electronic elements coupling with sources of high radiant energy, e.g. high power lasers, high temperature light sources
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Couplings Of Light Guides (AREA)
Abstract
The invention discloses an optical module and belongs to the optical communication field. The optical module provided by the embodiment of the invention comprises a circuit board, a lens assembly, a fixing assembly and a fiber socket, wherein the fixing assembly and the lens assembly are respectively placed on the surface of the circuit board, the lens assembly has a plugging portion, the fixing assembly has a plug connection portion and a clamping portion, and the fiber socket has a clamp connection portion. The plugging portion is connected with the plug connection portion, so that the lens assembly is connected with the fixing assembly. The clamping portion is connected with the clamp connection portion, so that the fixing assembly is connected with the fiber socket. Connection between the lens assembly and the fixing assembly is realized through the plugging portion and the plug connection portion, and the connection between the fixing assembly and the fiber socket is realized through the clamping portion and the clamp connection portion. In this way, the connection between the lens assembly and the fiber socket is realized.
Description
Technical field
The present invention relates to optical communication field, particularly relate to a kind of optical module.
Background technology
The light that in optical module, laser instrument sends needs to be coupled into optical fiber, thus realizes utilizing optical signal transmission fiber.Optical coupling is to be necessarily required to solve the technical problem that in optical module production design process.In prior art, optical coupling uses the mode of active coupling to carry out, and i.e. keeps laser instrument to be in luminance, during laser instrument luminescence, by the position of moving fiber, the light intensity during detection enters optical fiber simultaneously, according to light intensity and then the movement of knowing modulation optical fiber position.By this feedback mechanism, tentative mode is used to make the direction of propagation of light align with the light direction that enters of optical fiber.
The mode of active coupling does not require nothing more than laser instrument continuous illumination, and the qualifications of coupling operational is more, and coupling process is a kind of process attempting feedback adjustment, can expend more man-hour in the middle of the process attempted.
Summary of the invention
The embodiment of the present invention provides a kind of optical module, does not the most require laser instrument continuous illumination, and reduce the man-hour of optical coupling in its optical coupling process.
In order to realize foregoing invention purpose, the embodiment of the present invention adopts the following technical scheme that
The embodiment of the present invention provides a kind of optical module, including circuit board, lens subassembly, fixation kit and fiber-optical socket, circuit board, lens subassembly, fixation kit and fiber-optical socket, fixation kit and lens subassembly are respectively placed in circuit board surface, lens subassembly has Plug Division, and fixation kit has the portion of plugging together and clamping part, and fiber-optical socket has sandwich part, Plug Division is connected with the portion of plugging together, and makes lens subassembly be connected with fixation kit；Clamping part is connected with sandwich part, makes fixation kit be connected with fiber-optical socket.
By Plug Division with plug together portion, it is achieved the connection between lens subassembly and fixation kit, by clamping part and sandwich part, it is achieved the connection between fixation kit and fiber-optical socket, thus realize the connection between lens subassembly and fiber-optical socket.
Accompanying drawing explanation
In order to be illustrated more clearly that the technical scheme of the embodiment of the present invention, the accompanying drawing used required in embodiment or description of the prior art will be briefly described below, apparently, accompanying drawing in describing below is only some embodiments of the present invention, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
A kind of optical module that Fig. 1 provides for the embodiment of the present invention；
The optical module installation diagram that Fig. 2 A provides for the embodiment of the present invention；
The optical module decomposing schematic representation that Fig. 2 B provides for the embodiment of the present invention；
The optical module lens subassembly structural representation that Fig. 3 provides for the embodiment of the present invention；
The fixation kit structural representation that Fig. 4 provides for the embodiment of the present invention；
The fiber-optical socket structural representation that Fig. 5 provides for the embodiment of the present invention；
The optical module partial structurtes explosive view that Fig. 6 provides for the embodiment of the present invention.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiments.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art are obtained under not making creative work premise, broadly fall into the scope of protection of the invention.
A kind of optical module that Fig. 1 provides for the embodiment of the present invention.As it is shown in figure 1, the optical module that the embodiment of the present invention provides includes upper shell 101, lower house 102, electrical interface 103 and optical interface 104.
The lower house 102 of optical module is U-shaped groove, and the upper shell 101 of optical module is cover plate, and upper shell and lower house form the cavity with both ends open.
The upper shell 101 of optical module and the open type cavity of lower house 102 composition parcel optical module internal components, cavity is applied not only to the internal components of parcel protection optical module, concurrently forms electromagnetic isolation.One end of cavity be the electrical interface 103 of optical module, the other end of cavity be the optical interface 104 of optical module.
The optical interface of optical module is the optical communication interface of optical module and optical fiber, is connected with the light of optical interface to realize optical fiber, uses standard fiber socket to connect optical module and optical fiber in industry.One end grafting external fiber of fiber-optical socket, the other end inserts the optical interface of optical module.
When optical module is connected with system end, in the electrical interface 103 of optical module and module body insertion system end, the exposed outside at system end of optical interface 104 of optical module, it is simple to connect optical fiber.The electrical interface 103 of optical module includes electric connector, by the interface that electric connector insertion system end is reserved, it is achieved optical module conducts with system end；Common electric connector is golden finger.The optical interface 104 of optical module is the optical communication interface of optical module and optical fiber, is connected with the light of optical interface to realize optical fiber, uses standard fiber socket to connect optical module and optical fiber in industry.One end grafting external fiber of fiber-optical socket, the other end inserts the optical interface of optical module.Common fiber-optical socket includes MT plug.
The light that in optical module, laser instrument sends needs to be coupled into optical fiber, thus realizes utilizing optical signal transmission fiber.Optical coupling is to be necessarily required to solve the technical problem that in optical module production design process.In prior art, optical coupling uses the mode of active coupling to carry out, and i.e. keeps laser instrument to be in luminance, during laser instrument luminescence, by the position of moving fiber, the light intensity during detection enters optical fiber simultaneously, according to light intensity and then the movement of knowing modulation optical fiber position.By this feedback mechanism, tentative mode is used to make the direction of propagation of light align with the light direction that enters of optical fiber.
The mode of active coupling does not require nothing more than laser instrument continuous illumination, and the qualifications of coupling operational is more, and coupling process is a kind of process attempting feedback adjustment, can expend more man-hour in the middle of the process attempted.
The optical module that the embodiment of the present invention provides, it is provided that the mode of a kind of passive coupling, coupling process does not require laser instrument electroluminescent, and the significant increase man-haur efficiency of coupling.
The optical module installation diagram that Fig. 2 A provides for the embodiment of the present invention；The optical module decomposing schematic representation that Fig. 2 B provides for the embodiment of the present invention.As shown in Fig. 2 A, Fig. 2 B, the optical module that the embodiment of the present invention provides includes circuit board 200, lens subassembly 201, fixation kit 202 and fiber-optical socket 203.
Lens subassembly 201, fixation kit 202 and fiber-optical socket 203 lay respectively at circuit board 200 surface, are plugged with optical fiber 204 in fiber-optical socket；Lens subassembly 201 has hole for injecting glue 205, fixation kit 202 has hole for injecting glue 206, fiber-optical socket 203 has hole for injecting glue 207, glue is injected to hole for injecting glue, achieve the connection of lens subassembly 201 and circuit board 200, achieve the connection of fixation kit 202 and circuit board 200, it is achieved that optical fiber is fixed in fiber-optical socket 203.
Specifically, in the embodiment of the present invention, lens subassembly and fixation kit are all directly anchored on circuit board.During assembling, circuit board is preset the mark for alignment, according to alignment mark, fixation kit is directly anchored on circuit board, then fixation kit is combined with fixation kit respectively as reference, lens subassembly and fiber-optical socket.Fixation kit is connected with lens subassembly and fiber-optical socket respectively, owing to having default fixed relationship between fixation kit and lens subassembly, there is between fixation kit and fiber-optical socket default fixed relationship, so fixation kit is as transfer part, achieve fixing between lens subassembly and fiber-optical socket, and then achieve the optical coupling between lens subassembly and fiber-optical socket.
Lens subassembly 201 is positioned at circuit board 200 surface, and lens subassembly 201 has Plug Division.Form cavity between lens subassembly and circuit board, cavity is equipped with optical chip.Optical chip is connected electrically in the surface of circuit board, and optical chip can be laser chip, it is also possible to be light detecting chip.Optical transport is gone out cavity by lens subassembly by laser chip, and lens subassembly is by light light detecting chip in external transmission to cavity.
Fixation kit is positioned at circuit board surface, and fixation kit has the portion of plugging together and clamping part.The portion that plugs together of fixation kit is connected with the Plug Division of lens subassembly, it is achieved the position between fixation kit and lens subassembly is fixed.
Fiber-optical socket one end connects has optical fiber, the other end to have unthreaded hole, and fiber-optical socket forms sandwich part between optical fiber and unthreaded hole.The sandwich part of the clamping part grip optical fiber socket of fixation kit, it is achieved fiber-optical socket is fixed on fixation kit.Optical coupling, the light being fundamentally accomplished that between optical chip with optical fiber is connected.Light or the light of reception that optical chip sends all can pass through lens subassembly, and lens subassembly is for changing the direction of propagation of light.The light direction of optical chip or to enter light direction not consistent with the discrepancy light direction of optical fiber, the light that optical chip sends cannot not change nyctitropic to be injected in optical fiber, and the light from optical fiber also cannot not change in nyctitropic incident light chip.Light between optical chip with optical fiber is connected, and is not that optical fiber is directly accessed lens subassembly, because this connected mode cannot ensure optical coupling accurately.Using fiber-optical socket to be attached with optical fiber at present in optical module, the end of optical fiber arranges fiber-optical socket, and fiber-optical socket coordinates with lens subassembly, it is achieved the light between optical chip with optical fiber is connected, and fiber-optical socket can use the MT socket of industry universal.
The optical module lens subassembly structural representation that Fig. 3 provides for the embodiment of the present invention.As it is shown on figure 3, the lens subassembly that the embodiment of the present invention provides includes Plug Division, specifically, Plug Division includes horizontal Plug Division 301 and vertical Plug Division 302.Lens subassembly also includes an open cavity 303, and lens subassembly is fixing on circuit boards, and lens subassembly and circuit board form a cavity, and this cavity includes optical chip.The discrepancy light direction of optical chip is vertical with circuit board surface, and lens subassembly is located at above optical chip, changes the direction of propagation of light so that the light that optical chip comes in and goes out is consistent with the direction of optical fiber discrepancy light.Specifically, Plug Division can be prominent tongue.
The fixation kit structural representation that Fig. 4 provides for the embodiment of the present invention.As shown in Figure 4, the fixation kit that the embodiment of the present invention provides includes the portion that plugs together 404 and clamping part 401.Specifically, the portion of plugging together can be jack, and clamping part can be crotch structure.Specifically, the main body of fixation kit is U-shaped, U-shaped includes bottom surface 402 and side 403, forms crotch structure at U-shaped side 403.
Fixation kit is directly anchored on circuit board, as the connection transfer between lens subassembly and fiber-optical socket.Lens subassembly is connected with the portion of plugging together of fixation kit by Plug Division, it is achieved fixing between lens subassembly and fixation kit；Fiber-optical socket is connected with the clamping part of fixation kit by sandwich part, it is achieved fixing between fiber-optical socket and fixation kit.
The fiber-optical socket structural representation that Fig. 5 provides for the embodiment of the present invention.As it is shown in figure 5, fiber-optical socket one end that the embodiment of the present invention provides connects optical fiber, the other end has unthreaded hole, and fiber-optical socket forms sandwich part 501 between optical fiber and unthreaded hole, and in actual production process, fiber-optical socket can use the device of standard, such as MT plug.
The optical module partial structurtes explosive view that Fig. 6 provides for the embodiment of the present invention.As shown in Figure 6, the optical module that the embodiment of the present invention provides includes lens subassembly 201, fixation kit 202 and fiber-optical socket 203.
Lens subassembly 201 has horizontal Plug Division 301 and vertical Plug Division 302, and specifically, horizontal Plug Division and vertical Plug Division are respectively prominent tongue.
Fixation kit 202 has the portion of plugging together 404 and clamping part, and specifically, the portion of plugging together is jack, and clamping part is crotch structure.
Fiber-optical socket 203 includes the portion that plugs together and sandwich part, and specifically, the portion of plugging together is jack.In the concrete scheme that the embodiment of the present invention provides, fiber-optical socket possesses the portion of plugging together 601, fiber-optical socket plugs together the unthreaded hole 602 of portion 601 and fiber-optical socket and is positioned at same surface, and the horizontal Plug Division of lens subassembly is connected with the portion of plugging together of fiber-optical socket, it is achieved fixing between lens subassembly and fiber-optical socket.
Last it is noted that above example is only in order to illustrate technical scheme, it is not intended to limit；Although the present invention being described in detail with reference to previous embodiment, it will be understood by those within the art that: the technical scheme described in foregoing embodiments still can be modified by it, or wherein portion of techniques feature is carried out equivalent；And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (9)
1. an optical module, it is characterised in that include circuit board, lens subassembly, fixation kit and fiber-optical socket,
Described fixation kit and described lens subassembly are respectively placed in described circuit board surface,
Described lens subassembly has Plug Division, and described fixation kit has the portion of plugging together and clamping part, and described fiber-optical socket has sandwich part,
Described Plug Division is connected with the described portion of plugging together, and makes described lens subassembly be connected with described fixation kit；
Described clamping part is connected with described sandwich part, makes described fixation kit be connected with described fiber-optical socket.
2. optical module as claimed in claim 1, it is characterised in that described fiber-optical socket one end has unthreaded hole, and the other end is connected with optical fiber.
3. optical module as claimed in claim 2, it is characterised in that described fixation kit is directly anchored to described circuit board surface.
4. optical module as claimed in claim 3, it is characterised in that described fixation kit has hole for injecting glue, injects glue in described hole for injecting glue, to realize fixing between fixation kit and circuit board.
5. optical module as claimed in claim 4, it is characterised in that the clamping part of described fixation kit is crotch structure.
6. optical module as claimed in claim 5, it is characterised in that described lens subassembly includes horizontal Plug Division and vertical Plug Division, and described fiber-optical socket has Plug Division, and described horizontal Plug Division is connected with the Plug Division of described fiber-optical socket.
7. optical module as claimed in claim 6, it is characterised in that described fiber-optical socket is standard MT plug.
8. optical module as claimed in claim 7, it is characterised in that the Plug Division of described lens subassembly is prominent tongue, and the portion of plugging together in described fixation kit is jack.
9. optical module as claimed in claim 8, it is characterised in that described lens subassembly forms cavity with described circuit board, has optical chip in described cavity, and described optical chip electrically connects with described circuit board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610502780.9A CN105929492A (en) | 2016-07-01 | 2016-07-01 | Optical module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610502780.9A CN105929492A (en) | 2016-07-01 | 2016-07-01 | Optical module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105929492A true CN105929492A (en) | 2016-09-07 |
Family
ID=56828729
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610502780.9A Pending CN105929492A (en) | 2016-07-01 | 2016-07-01 | Optical module |
Country Status (1)
| Country | Link |
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| CN (1) | CN105929492A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110673271A (en) * | 2019-09-24 | 2020-01-10 | 武汉电信器件有限公司 | AOC optical module |
| CN111045162A (en) * | 2017-12-11 | 2020-04-21 | 青岛海信宽带多媒体技术有限公司 | Optical module |
| CN112230350A (en) * | 2020-10-23 | 2021-01-15 | 青岛海信宽带多媒体技术有限公司 | Optical module |
| CN112230349A (en) * | 2020-10-23 | 2021-01-15 | 青岛海信宽带多媒体技术有限公司 | Optical module |
| CN112230347A (en) * | 2020-10-23 | 2021-01-15 | 青岛海信宽带多媒体技术有限公司 | Optical module |
| CN112444923A (en) * | 2019-08-30 | 2021-03-05 | 青岛海信宽带多媒体技术有限公司 | Optical module |
| CN114077019A (en) * | 2020-08-18 | 2022-02-22 | 青岛海信宽带多媒体技术有限公司 | Optical module |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111045162A (en) * | 2017-12-11 | 2020-04-21 | 青岛海信宽带多媒体技术有限公司 | Optical module |
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| CN112444923A (en) * | 2019-08-30 | 2021-03-05 | 青岛海信宽带多媒体技术有限公司 | Optical module |
| CN110673271A (en) * | 2019-09-24 | 2020-01-10 | 武汉电信器件有限公司 | AOC optical module |
| CN110673271B (en) * | 2019-09-24 | 2021-02-26 | 武汉电信器件有限公司 | AOC optical module |
| CN114077019A (en) * | 2020-08-18 | 2022-02-22 | 青岛海信宽带多媒体技术有限公司 | Optical module |
| CN112230350A (en) * | 2020-10-23 | 2021-01-15 | 青岛海信宽带多媒体技术有限公司 | Optical module |
| CN112230349A (en) * | 2020-10-23 | 2021-01-15 | 青岛海信宽带多媒体技术有限公司 | Optical module |
| CN112230347A (en) * | 2020-10-23 | 2021-01-15 | 青岛海信宽带多媒体技术有限公司 | Optical module |
| CN112230350B (en) * | 2020-10-23 | 2022-04-19 | 青岛海信宽带多媒体技术有限公司 | Optical module |
| CN112230347B (en) * | 2020-10-23 | 2022-04-19 | 青岛海信宽带多媒体技术有限公司 | Optical module |
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Application publication date: 20160907 |