CN112241053A - Optical path coupling component and assembling method thereof - Google Patents
Optical path coupling component and assembling method thereof Download PDFInfo
- Publication number
- CN112241053A CN112241053A CN202011322387.4A CN202011322387A CN112241053A CN 112241053 A CN112241053 A CN 112241053A CN 202011322387 A CN202011322387 A CN 202011322387A CN 112241053 A CN112241053 A CN 112241053A
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- lens
- positioning
- pcb
- optical path
- detector
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- 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
-
- 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
- G02B6/4201—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
- G02B6/422—Active alignment, i.e. moving the elements in response to the detected degree of coupling or position of the elements
- G02B6/4225—Active alignment, i.e. moving the elements in response to the detected degree of coupling or position of the elements by a direct measurement of the degree of coupling, e.g. the amount of light power coupled to the fibre or the opto-electronic element
-
- 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]
-
- 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
- G02B6/4286—Optical modules with optical power monitoring
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Couplings Of Light Guides (AREA)
Abstract
The invention provides an optical path coupling component and an assembling method thereof, wherein the optical path coupling component comprises a PCB (printed Circuit Board), a positioning piece and a lens plate, wherein the positioning piece is arranged on one side of the PCB, and the lens plate is arranged on the other side of the PCB and is connected with the positioning piece; two positioning parts extending towards the direction of the lens plate are formed on the positioning part at intervals, the two positioning parts are inserted into the PCB, two inserting parts extending towards the direction of the positioning part are formed on the lens plate at intervals, and the two inserting parts are inserted into the two positioning parts; the PCB board is pasted and is equipped with laser instrument or detector, and laser instrument or detector use two location portions to be the Mark point, and the lens board is close to PCB board one side and is equipped with first lens with the position that laser instrument or detector correspond. In the coupling process of the laser or the detector and the first lens, the position of the first lens does not need to be adjusted repeatedly, the time of optical path coupling between the lens and the laser or the detector is shortened, and the production efficiency of the optical path coupling device is greatly improved.
Description
[ technical field ] A method for producing a semiconductor device
The invention relates to the technical field of optical communication, in particular to an optical path coupling component and an assembling method thereof.
[ background of the invention ]
The optical path coupling device typically includes a laser/detector and a lens optically coupled to the laser/detector. With the development of manufacturing technologies of optical devices such as lasers, detectors, and lenses, the requirements for precision and consistency of materials required for manufacturing are higher and higher. Further, with the release of the high-precision chip mounting device, whether the optical path coupling between the laser/detector and the lens meets the precision requirement and the speed requirement or not directly influences the production efficiency of the optical path coupling device.
In the prior art, when an optical path coupling device is manufactured, the coupling modes between a laser/detector and a lens are generally divided into the following two modes:
firstly, a laser/detector is fixed on a PCB board in a surface mounting mode, a lens is arranged above the laser/detector, a CCD is used for amplifying a light path channel of the laser/detector and the lens, and the six-position direction of the lens is continuously adjusted so as to realize the geometric alignment of the light path channel of the lens and a light emitting channel of the laser/detector. Although the coupling mode can realize optical path coupling quickly, the specific numerical value of the optical path coupling cannot be determined due to no data support, and the requirements on the precision, the visibility and the consistency of materials are very high;
secondly, on the basis of the first coupling mode, the laser/detector is lightened to enable the laser/detector to emit light, one end, far away from the laser/detector, of the lens is connected with receiving instruments such as an optical power meter, an ammeter and a voltmeter, the position of the lens is continuously adjusted to enable the value on the receiving instruments to reach the optimal value, and therefore the lens is located at the optimal position. Compared with the first coupling mode, the coupling mode has intuitive numerical display for providing data support for optical path coupling, but the efficiency of optical path coupling is low, and the requirements of the current consumer field on optical path coupling devices cannot be met.
It can be seen from the above two coupling modes that the position of the lens needs to be continuously adjusted regardless of which coupling mode is adopted, which will greatly prolong the speed of optical path coupling between the laser/detector and the lens, and seriously affect the production efficiency of the optical path coupling device.
Therefore, there is a need for an improved structure of the above optical path coupling device.
[ summary of the invention ]
The technical problem to be solved by the invention is as follows: the optical path coupling component and the assembling method thereof are provided, and the problem that the production efficiency of an optical path coupling device in the prior art is low is solved.
In order to solve the technical problems, the invention adopts the technical scheme that:
a first aspect of an embodiment of the present invention provides an optical path coupling component, including: the positioning piece is arranged on one side of the PCB, and the lens plate is arranged on the other side of the PCB and is connected with the positioning piece;
two positioning parts extending towards the lens plate are formed on the positioning part at intervals, the two positioning parts are inserted into the PCB, two inserting parts extending towards the positioning part are formed on the lens plate at intervals, and the two inserting parts are inserted into the two positioning parts;
the PCB board pastes and is equipped with laser instrument or detector, laser instrument or detector use two location portion are the Mark point, lens board is close to PCB board one side with the position that laser instrument or detector correspond is equipped with first lens.
In some embodiments, two through holes are provided at intervals between the PCB boards, and the positioning member includes: the lens comprises a base plate and two positioning parts extending along the base plate to the lens plate at intervals, wherein the two positioning parts are inserted into the two through holes.
In some embodiments, the positioning portion is formed with an insertion hole extending in a direction away from the lens plate and penetrating through the base plate, the two insertion holes are Mark points of the laser or the detector, and the lens plate includes: the installation board and follow the installation board to locating element direction interval extension two grafting portion, two grafting portion pegs graft in two the jack, first lens sets up the installation board is close to PCB board one side.
In some embodiments, a second lens is disposed on a side of the mounting board away from the PCB, and the second lens is located on an optical path of the first lens.
In some embodiments, the insertion hole extends in a direction away from the lens plate in a tapering trend, two extending portions extending towards the positioning member are formed on the mounting plate at intervals, one end of the extending part far away from the mounting plate is provided with a first connecting part extending towards the positioning part and a second connecting part arranged at an interval with the first connecting part, a first clamping part extending towards the direction far away from the second connecting part is formed at one end of the first connecting part far away from the extending part, a second clamping part extending towards the direction far away from the first connecting part is formed at one end of the second connecting part far away from the extending part, the extension part, the first connecting part, the first clamping part, the second connecting part and the second clamping part form the plug-in part, one side of the first clamping part and one side of the second clamping part, which are close to the extending part, are abutted against one side of the bottom plate, which is far away from the PCB.
In some embodiments, the material of the first connecting portion and the second connecting portion is an elastic material.
A second aspect of the embodiments of the present invention provides an assembly method of an optical path coupling component, including:
correspondingly inserting the two positioning parts in the positioning piece into the two through holes on the PCB;
the jacks on the two positioning parts are used as Mark points, and a laser or a detector is attached to the PCB;
two inserting parts in the lens plate are correspondingly inserted into the inserting holes on the two positioning parts.
From the above description, compared with the prior art, the invention has the following beneficial effects:
the laser or the detector is attached to the PCB by taking two positioning parts inserted in the positioning part of the PCB as Mark points, and two inserting parts in the lens plate provided with the first lens are inserted in the two positioning parts in the positioning part, so that the laser or the detector is accurately aligned with the first lens. In the coupling process of the laser or the detector and the first lens, the position of the first lens does not need to be adjusted repeatedly, the time of optical path coupling between the lens and the laser or the detector is shortened, the production efficiency of the optical path coupling device is greatly improved, and the requirements of the current consumption field on the optical path coupling device can be well met.
[ description of the drawings ]
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It is to be understood that the drawings in the following description are of some, but not all, embodiments of the invention. For a person skilled in the art, other figures can also be obtained from the provided figures without inventive effort.
Fig. 1 is a schematic structural diagram of an optical path coupling component according to an embodiment of the present invention;
FIG. 2 is an exploded view of an optical coupling assembly according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a lens plate according to an embodiment of the present invention.
[ detailed description ] embodiments
For purposes of promoting a clear understanding of the objects, aspects and advantages of the invention, reference will now be made in detail to the present embodiments of the invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements throughout. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. In addition, the technical features involved in the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
Referring to fig. 1, fig. 2 and fig. 3, fig. 1 is a schematic structural diagram of an optical path coupling element according to an embodiment of the present invention, fig. 2 is an exploded schematic diagram of the optical path coupling element according to the embodiment of the present invention, and fig. 3 is a schematic structural diagram of a lens plate according to the embodiment of the present invention.
As shown in fig. 1, fig. 2 and fig. 3, an embodiment of the present invention provides an optical path coupling assembly, which includes a PCB 1, a positioning element 2 and a lens plate 3, wherein the positioning element 2 is disposed on one side of the PCB 1, and the lens plate 3 is disposed on the other side of the PCB 1 and connected to the positioning element 2.
Specifically, two positioning portions 21 extending toward the lens plate 3 are formed on the positioning member 2 at intervals, the two positioning portions 21 are inserted into the PCB board 1, two insertion portions 31 extending toward the positioning member 2 are formed on the lens plate 3 at intervals, and the two insertion portions 31 are inserted into the two positioning portions 21.
More specifically, the laser 4 is attached to the PCB 1, the laser 4 uses two positioning portions 21 as Mark points (the Mark points are position identification points of the PCB applied to the automatic chip mounter in the design of the circuit board, i.e. reference points during chip mounting), and a first lens 5 is disposed at a position of one side of the lens plate 3, which is close to the PCB 1 and corresponds to the laser 4.
In practical application, the laser 4 is attached to the PCB 1 by using the two positioning portions 21 inserted into the positioning member 2 of the PCB 1 as Mark points, and the two inserting portions 31 of the lens plate 3 provided with the first lens 5 are inserted into the two positioning portions 21 of the positioning member 2, so as to achieve accurate alignment between the laser 4 and the first lens 5, at this time, the laser 4 and the first lens 5 are on the same light path, that is, the light path coupling between the laser 4 and the first lens 5 is completed.
It should be understood that the above-mentioned optical path coupling component is not limited to be applied to the optical path coupling between the laser 4 and the first lens 5, and in some embodiments, the above-mentioned optical path coupling component may be applied to an optical device such as a detector, which involves precise positioning, which is determined according to a specific application scenario, and is not limited by the embodiment of the present invention.
In the coupling process of the laser 4 and the first lens 5, the optical path coupling component provided by the embodiment of the invention does not need to repeatedly adjust the position of the first lens 5, shortens the optical path coupling time between the first lens 5 and the laser 4, greatly improves the production efficiency of the optical path coupling device, and can well meet the requirements of the current consumption field on the optical path coupling device.
As a possible implementation manner, the PCB 1 may be provided with two through holes 11 at intervals, and correspondingly, the positioning member 2 may include a bottom plate 22 and two positioning portions 21 extending along the bottom plate 22 toward the lens plate 3 at intervals, where the two positioning portions 21 are correspondingly inserted into the two through holes 11 on the PCB 1.
As another possible embodiment, the positioning portion 21 may be formed with an insertion hole 211 extending in a direction away from the lens plate 3 and penetrating through the bottom plate 22, in this case, the laser 4 should use two insertion holes 211 on the positioning portion 21 as Mark points, and correspondingly, the lens plate 3 may include a mounting plate 32 and two insertion portions 31 extending along the mounting plate 32 in a direction toward the positioning member 2, in this case, the two insertion portions 31 are inserted into the two insertion holes 211 on the positioning portion 21, and the first lens 5 needs to be disposed on one side of the mounting plate 32 close to the PCB 1. Therefore, in order to ensure the normal use of the optical path coupling assembly, the second lens 6 is further disposed on the side of the mounting board 32 away from the PCB board 1, and at this time, the laser 4, the first lens 5 and the second lens 6 are located on the same optical path.
Furthermore, the inserting portion 31 may include a protruding portion 311 extending toward the positioning element 2 along a side of the mounting plate 32 close to the PCB 1, a first connecting portion 312 extending toward the positioning element 2 along an end of the protruding portion 311 away from the mounting plate 32, a second connecting portion 313 spaced apart from the first connecting portion 312, a first engaging portion 314 extending toward the direction away from the second connecting portion 313 along an end of the first connecting portion 312 away from the protruding portion 311, and a second engaging portion 315 extending toward the direction away from the first connecting portion 312 along an end of the second connecting portion 313 away from the protruding portion 311.
Furthermore, in order to ensure the insertion stability between the insertion portion 31 and the insertion hole 211 on the positioning portion 21, the insertion hole 211 on the positioning portion 21 may be configured to extend in a tapering trend in a direction away from the lens plate 3, and the material of the first connection portion 312 and the second connection portion 313 should be an elastic material.
As can be seen from the above description, the optical path coupling assembly provided by the embodiment of the invention includes the PCB 1, the positioning element 2 and the lens plate 3, and in practical applications, the PCB 1, the positioning element 2 and the lens plate 3 need to be assembled. As an example, the process of assembling the PCB board 1, the spacer 2 and the lens board 3 may include the steps of:
step 2, using the jacks 211 on the two positioning parts 21 as Mark points, and attaching the laser 4 on the PCB 1, wherein the laser 4 should be located between the two positioning parts 21;
So far, the assembly of the PCB board 1, the positioning member 2 and the lens board 3 is completed, and the laser 4, the first lens 5 and the second lens 6 are located on the same optical path, that is, the optical path coupling between the laser 4 and the first lens 5 is completed.
It should be noted that, in the summary of the present invention, each embodiment is described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments may be referred to each other.
It is further noted that, in the present disclosure, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present disclosure. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined in this disclosure may be applied to other embodiments without departing from the spirit or scope of the disclosure. Thus, the present disclosure is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (7)
1. An optical path coupling assembly, comprising: the positioning piece is arranged on one side of the PCB, and the lens plate is arranged on the other side of the PCB and is connected with the positioning piece;
two positioning parts extending towards the lens plate are formed on the positioning part at intervals, the two positioning parts are inserted into the PCB, two inserting parts extending towards the positioning part are formed on the lens plate at intervals, and the two inserting parts are inserted into the two positioning parts;
the PCB board pastes and is equipped with laser instrument or detector, laser instrument or detector use two location portion are the Mark point, lens board is close to PCB board one side with the position that laser instrument or detector correspond is equipped with first lens.
2. The optical circuit coupling assembly of claim 1, wherein the PCB board has two through holes spaced apart, and the positioning member comprises: the lens comprises a base plate and two positioning parts extending along the base plate to the lens plate at intervals, wherein the two positioning parts are inserted into the two through holes.
3. The optical path coupling assembly according to claim 2, wherein the positioning portion is formed with insertion holes extending in a direction away from the lens plate and penetrating through the base plate, the two insertion holes are Mark points of the laser or the detector, and the lens plate includes: the installation board and follow the installation board to locating element direction interval extension two grafting portion, two grafting portion pegs graft in two the jack, first lens sets up the installation board is close to PCB board one side.
4. The optical path coupling assembly of claim 3, wherein a second lens is disposed on a side of the mounting plate remote from the PCB board, the second lens being positioned in an optical path of the first lens.
5. The optical path coupling assembly of claim 3, wherein the receptacle extends in a tapering direction away from the lens plate, two extending parts extending towards the positioning part are formed on the mounting plate at intervals, a first connecting part extending towards the positioning part and a second connecting part arranged at intervals with the first connecting part are formed at one end, far away from the mounting plate, of each extending part, a first clamping part extending towards the direction far away from the second connecting part is formed at one end of the first connecting part far away from the extending part, a second clamping part extending towards the direction far away from the first connecting part is formed at one end of the second connecting part far away from the extending part, the extension part, the first connecting part, the first clamping part, the second connecting part and the second clamping part form the plug-in part, one side of the first clamping part and one side of the second clamping part, which are close to the extending part, are abutted against one side of the bottom plate, which is far away from the PCB.
6. The optical path coupling assembly of claim 5, wherein the first connecting portion and the second connecting portion are made of elastic materials.
7. A method of assembling an optical circuit coupling assembly, comprising:
correspondingly inserting the two positioning parts in the positioning piece into the two through holes on the PCB;
the jacks on the two positioning parts are used as Mark points, and a laser or a detector is attached to the PCB;
two inserting parts in the lens plate are correspondingly inserted into the inserting holes on the two positioning parts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011322387.4A CN112241053A (en) | 2020-11-23 | 2020-11-23 | Optical path coupling component and assembling method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011322387.4A CN112241053A (en) | 2020-11-23 | 2020-11-23 | Optical path coupling component and assembling method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112241053A true CN112241053A (en) | 2021-01-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011322387.4A Pending CN112241053A (en) | 2020-11-23 | 2020-11-23 | Optical path coupling component and assembling method thereof |
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| CN (1) | CN112241053A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114415298A (en) * | 2022-03-30 | 2022-04-29 | 深圳市埃尔法光电科技有限公司 | Optical module capable of being quickly aligned and assembled |
-
2020
- 2020-11-23 CN CN202011322387.4A patent/CN112241053A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114415298A (en) * | 2022-03-30 | 2022-04-29 | 深圳市埃尔法光电科技有限公司 | Optical module capable of being quickly aligned and assembled |
| CN114415298B (en) * | 2022-03-30 | 2022-06-24 | 深圳市埃尔法光电科技有限公司 | Optical module capable of being quickly aligned and assembled |
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