CN207133475U - Optical communication module - Google Patents
Optical communication module Download PDFInfo
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- CN207133475U CN207133475U CN201721129983.4U CN201721129983U CN207133475U CN 207133475 U CN207133475 U CN 207133475U CN 201721129983 U CN201721129983 U CN 201721129983U CN 207133475 U CN207133475 U CN 207133475U
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- optical fiber
- lens
- lens element
- communication module
- optical communication
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Abstract
The utility model is a kind of optical communication module, and it includes a light-permeable lens element, a light-permeable optical fiber fixture, at least an optical fiber and a circuit board.Lens element forms a lens arrangement body, lens arrangement body top surface forms an opening and an incidence surface respectively with bottom surface, and incidence surface is provided with least collimating lens, the opposite side of lens arrangement body forms a reflecting slant and exiting surface respectively, collimation lens is located in the range of the orthographic projection of reflecting slant vertical angle of view, optical fiber fixture is configured at lens element towards the side of exiting surface, and optical fiber fixture one side is formed with some glue grooves, optical fiber fixture is provided with an at least condenser lens, condenser lens corresponds in the range of the orthographic projection of exiting surface horizontal view angle, and optical fiber penetrates the point glue groove of lens element, filling is provided with a fixing glue in the point glue groove of lens element, use and optical fiber is fixed on lens element, and optical fiber one end is in alignment with focusing lens positions.
Description
Technical field
The utility model belongs to optical communication module technical field, refers in particular to a kind of with effectively lifting assembling tolerance tolerance
Optical communication module.
Background technology
Commonly known optical communication module such as China checked and approved Patent Case the 103885140th " chip array with it is parallel
The optical assembly and its assemble method that optical fiber passively couples ", is referred to shown in Fig. 7, and it is provided with a photoelectricity core in a chip carrier 50
Chip arrays 500, and chip carrier 50 is provided with a lens body 51 and a fixed seat 52, and a reflection is provided with lens body 51
Face 510, and lens body 51 forms one first lens array face 511, the phase of lens body 51 relative to the vertical plane of reflecting surface 510
One second lens array face 512 is formed for the horizontal plane of reflecting surface 510, and fixed seat 52 is relative to the first lens array face
511 positions are provided with a multidiameter delay optical fiber 520, will be by through the second lens array face 512 using the reflecting surface 510 of lens body 51
Source parallel, then via the first lens array face 511 focus on after enter multidiameter delay optical fiber 520.
If the first lens array 511 and multidiameter delay optical fiber between the two when lens body 51 and fixed seat 52 are in assembling
520 is no perfectly aligned, will make light source can not be completely into multidiameter delay optical fiber 520, and reduces the efficiency of optical communication module, i.e.,
Just both have an alignment, but because light source multidiameter delay optical fiber 520 is entered by the first lens array 511 when, between the two can be because by empty
Gas and generating unit light splitting source scattering, thus reduce optical communication module efficiency.
Utility model content
The purpose of this utility model is to provide a kind of optical communication module, and it can improve foregoing existing optical communication module in reality
Using upper, still have influences the efficiency of optical communication module because assembly error is excessive, and sets light to detect on circuit board for that can improve
The deficiency that element is restricted.
Main purpose of the present utility model is to provide a kind of optical communication module, its to improve optical communication module efficiency, and
Increase the setting elasticity of photoelectric cell on circuit board simultaneously.
To achieve the above object, the utility model takes following technical scheme：
The utility model with technological means be to be to provide a kind of optical communication module, it includes a light-permeable lens
Element, a light-permeable optical fiber fixture, at least an optical fiber and a circuit board.Lens element one side is arranged with a groove, and lens
Element forms a lens arrangement body in the side of the groove, and the one side of lens arrangement body forms a top surface, and lens arrangement body is remote
One side from top surface forms an incidence surface, and incidence surface is provided with least collimating lens, and lens arrangement body different from the one side of top surface
One side formed a reflecting slant, collimation lens is located in the range of the orthographic projection of reflecting slant vertical angle of view, and lens arrangement
Body forms an exiting surface in the opposite side of reflecting slant, and optical fiber fixture is configured at lens element towards the side of exiting surface, and light
Fine fixture one side formed with some glue grooves, optical fiber fixture towards lens element one side formed with an at least condenser lens, gather
Focus lens correspond in the range of the orthographic projection of exiting surface horizontal view angle, and optical fiber penetrates the point glue groove of lens element, lens cells
Filling is provided with a fixing glue in the point glue groove of part, uses optical fiber being fixed on lens element, and optical fiber one end is saturating in alignment with focusing on
Mirror position.
In the embodiment of the utility model one, the lens arrangement body of above-mentioned optical communication module, wherein lens element is one
Groove.
In the embodiment of the utility model one, above-mentioned optical communication module, the wherein reflecting slant of lens element formed with
One primary reflection surface and a subreflector.
It is close in the point glue groove of above-mentioned optical communication module, wherein optical fiber fixture in the embodiment of the utility model one
The one side of the lens element is formed with an optical fiber stop surface, and optical fiber fixture is in remote lens element one side formed with an at least light
Fine groove, optical fiber is in the optical fiber groove to point glue groove, and one end of optical fiber is supported and is affixed on optical fiber stop surface.
In the embodiment of the utility model one, above-mentioned optical communication module, the wherein ranges of indices of refraction of fixing glue between
1.45 to 1.65.
In the embodiment of the utility model one, above-mentioned optical communication module, a circuit board is further included, and lens element is consolidated
Located at circuit board.
In the embodiment of the utility model one, above-mentioned optical communication module, wherein circuit board are provided with an at least photoelectric cell
Array, and optoelectronic component array is located in the orthographic projection position range of the reflecting slant vertical direction of lens element.
In the embodiment of the utility model one, above-mentioned optical communication module, wherein optoelectronic component array are at least one luminous
Element, at least one smooth detecing element or both combine.
In the embodiment of the utility model one, above-mentioned optical communication module, the wherein incidence surface of lens arrangement body are anti-with master
Penetrate between face formed with an angle thetaA, the angle thetaABetween 45 °~54 °, formed with an angle theta between incidence surface and subreflectorC, should
Angle thetaCBetween 67.5 °~81 °, incidence surface is with exiting surface formed with an angle thetaB, angle thetaBCan be between 45 °~90 °.
In the embodiment of the utility model one, above-mentioned optical communication module, wherein optoelectronic component array are at least one luminous
Element and at least one smooth detecing element, and light-emitting component is located at the orthographic projection position model of the primary reflection surface vertical direction of lens element
In enclosing, and light detecing element is located in the orthographic projection position range of the subreflector vertical direction of lens element.
The beneficial effects of the utility model are：The utility model optical communication module, it can improve foregoing existing optical communication mould
In actual use, still have influences the efficiency of optical communication module to group because assembly error is excessive, and is set for that can improve on circuit board
The deficiency that light detecing element is restricted is put, optical communication module efficiency can be improved, and increase photoelectric cell on circuit board simultaneously
Setting elasticity.
Brief description of the drawings
Fig. 1 is the element perspective exploded view of the utility model and circuit board.
Fig. 2 looks up three-dimensional combination figure to be of the present utility model.
Fig. 3 looks up three-dimensional exploded view to be of the present utility model.
Fig. 4 is that partial perspective of the present utility model combines schematic cross-sectional view.
Fig. 5 is the cross-sectional view enlarged diagram of the utility model lens element.
Fig. 6 is the partial perspective combination schematic cross-sectional view for being different from Fig. 4 visual angles.
Fig. 7 is the schematic side view of known lens module.
Drawing reference numeral：10：Lens element；100：Groove；11：Top surface；12：Lens arrangement body；121：Incidence surface；122：Instead
Penetrate inclined-plane；1221：Primary reflection surface；1222：Subreflector；123：Exiting surface；124：Collimation lens；125：Receive optical lens；20：Light
Fine fixture；21：Point glue groove；22：Optical fiber stop surface；23：Condenser lens；24：Optical fiber groove；30：Circuit board；31：Photo elements
Part array；311：Receive and dispatch optical element；312：Light detecing element；40：Optical fiber；θA：Incidence surface and primary reflection surface angle；θB：Incidence surface
With exiting surface angle；θC：Incidence surface and subreflector angle.
Embodiment
It refer to shown in Fig. 1 to Fig. 4, optical communication module of the present utility model, its lens element 10 comprising a light-permeable,
The optical fiber fixture 20 of one light-permeable, a circuit board 30 and an at least optical fiber 40.
Please refer to shown in Fig. 5, the one side of lens element 10 is recessed a groove 100, and lens element 10 is in groove 100
Side forms a lens arrangement body 12, and the one side of lens arrangement body 12 forms a top surface 11, and lens arrangement body 12 is away from top
The one side in face 11 forms an incidence surface 121, and incidence surface 121 is provided with plural collimation lens 124 and plural number different from the one side of top surface 11
Optical lens 125 is received, and the one side of lens arrangement body 12 forms a reflecting slant 122, reflecting slant 122 is formed with a principal reflection
The subreflector 1222 of face 1221 and one, primary reflection surface 1221 can be formed at the top of subreflector 1222, can also be formed at secondary reflection
The lower section of face 1222, primary reflection surface 1221 is arranged above subreflector 1222 as shown in this embodiment, and plural collimation lens
124 are located in the range of the primary reflection surface vertical angle of view orthographic projection of reflecting slant 122 respectively, and plural number receives optical lens 125 and distinguishes position
In the range of the vertical angle of view orthographic projection of subreflector 1222 of reflecting slant 122, wherein incidence surface 121 and primary reflection surface 1221
Between formed with an angle thetaA, angle thetaACan be between 45 °~54 °, formed with an angle theta between incidence surface 121 and subreflectorC, angle
θCCan be between 67.5 °~81 °, lens arrangement body 12 forms an exiting surface 123, incidence surface 121 in the opposite side of reflecting slant 122
With exiting surface 123 formed with an angle thetaB, angle thetaBCan be between 45 °~90 °.
Please refer to shown in Fig. 6, optical fiber fixture is configured at lens element towards the side of lens arrangement body 12, and optical fiber
The one side of fixture 20 forms a light in a glue groove 21 formed with some glue grooves 21, optical fiber fixture towards the one side of lens element 10
Fine stop surface 22, the one side of optical fiber fixture 20 towards lens element 10 are right formed with least a condenser lens 23, condenser lens 23
Should in the range of the orthographic projection of the horizontal view angle of exiting surface 123, and to by the light-resource fousing that exiting surface 123 projects in optical fiber 40,
Optical fiber fixture 20 is in the remote one side of lens element 10 formed with an at least optical fiber groove 24, and optical fiber groove 24 is set as shown in drawing
Have a plurality of, so that Fiber optic is in each optical fiber groove 24 to the glue groove, and one end of Fiber optic is supported and is affixed on optical fiber and stops
Only face 22, and Fiber optic is adhesively fixed in a glue groove by a fixing glue (not shown).
Lens element and optical fiber fixture set circuit board, and the one side of circuit board 30 is provided with a plurality of optoelectronic component arrays
31, optoelectronic component array 31 can be plural number transmitting-receiving optical element 311, plural light detecing element 312 or be combined by both,
In the present embodiment, optoelectronic component array 31 is to be combined by plural light-emitting component 311 and plural light detecing element 312, and multiple
In the orthographic projection position range for the primary reflection surface vertical direction that number light-emitting component is located at lens element, and plural light detecing element position
In in the orthographic projection position range of the subreflector vertical direction of lens element.
It refer to shown in Fig. 1 to Fig. 4, when compound lens element 10 and optical fiber fixture 20, in advance by each optical fiber 40 1
End is inserted in optical fiber fixture 20 via optical fiber groove 24, and one end of each optical fiber is supported and is affixed on optical fiber stop surface 22, and in dispensing
Groove 21 inserts fixing glue (not shown), to fixed optical fiber, further compound lens group 10 and circuit board 30.
It is worth mentioning that fixing glue has specific refractive index, can reduce between optical fiber 40 and optical fiber stop surface 22 because thoroughly
Light energy caused by the difference of mirror, optical fiber and air three's refractive index consumes, the ranges of indices of refraction of fixing glue between 1.45 to
1.65, while light source forms a source of parallel light after collimation lens 124, is reflected via principal reflection inclined-plane 1221 saturating via focusing on
Mirror 23 enters optical fiber 40 after focusing on, can effective improving optical system assembles because the light source of entrance condenser lens 23 is source of parallel light
The tolerance of tolerance, can increase condenser lens 23 and optical fiber 40 and assemble tolerance tolerance and reach 0.08mm, and light-emitting component 311
Light source is via lens arrangement body 12 is entered after the parallelization of collimation lens 124, by exiting surface 123 after being reflected via primary reflection surface 1221
Light extraction, portions incident light source are reflexed to after condenser lens 23 focuses on by subreflector 1222 after the reflection of exiting surface 123 and are irradiated in
On light detecing element 312.
The utility model is described by the above embodiments and change case, all embodiments of the present utility model and change
Change example is only exemplary, and based on the utility model in essence spirit and scope, and the optical communication module comprising features described above is various
Change is that the utility model is covered.
Claims (9)
1. a kind of optical communication module, it is characterised in that it includes：
The lens element of one light-permeable, lens element one side is arranged with a groove, and the lens element is in the side of the groove
A lens arrangement body is formed, the one side of the lens arrangement body forms a top surface, and the lens arrangement body is in the one side away from the top surface
An incidence surface is formed, the incidence surface is provided with least collimating lens, and the side of the lens arrangement body different from the one side of the top surface
Face forms a reflecting slant, and the collimation lens is located in the range of the reflecting slant vertical angle of view orthographic projection, and the lens arrangement
Body forms an exiting surface in the opposite side of the reflecting slant；
The optical fiber fixture of one light-permeable, the optical fiber fixture is configured at the lens element towards the side of the exiting surface, and the light
Fine fixture one side focuses on thoroughly formed with some glue grooves, the one side of the optical fiber fixture towards the lens element formed with least one
Mirror, the condenser lens correspond in the range of the orthographic projection of the exiting surface horizontal view angle；And
An at least optical fiber, the optical fiber penetrates the glue groove of the lens element, and is filled in the glue groove of the lens element
Provided with a fixing glue, the optical fiber is fixed on the lens element, and the optical fiber one end is in alignment with the focusing lens positions.
2. optical communication module as claimed in claim 1, it is characterised in that the reflecting slant of the lens element is formed with a master
Reflecting surface and a subreflector.
3. optical communication module as claimed in claim 1, it is characterised in that close to described in the point glue groove of the optical fiber fixture
The one side of lens element is formed with an optical fiber stop surface, and the optical fiber fixture is in remote lens element one side formed with least
One optical fiber groove, the optical fiber is in the optical fiber groove to described glue groove, and one end of the optical fiber is supported and is affixed on the light
Fine stop surface.
4. optical communication module as claimed in claim 1, it is characterised in that the ranges of indices of refraction of the fixing glue between 1.45 to
1.65。
5. optical communication module as claimed in claim 1, it is characterised in that further included a circuit board, and the lens element
It is fixedly arranged on the circuit board.
6. optical communication module as claimed in claim 5, it is characterised in that the circuit board is provided with an at least photoelectric cell battle array
Row, and the optoelectronic component array is located in the orthographic projection position range of the reflecting slant vertical direction of the lens element.
7. optical communication module as claimed in claim 6, it is characterised in that the optoelectronic component array is at least one luminous member
Part, at least one smooth detecing element or both combine.
8. optical communication module as claimed in claim 2, it is characterised in that the incidence surface of the lens arrangement body and the master are anti-
Penetrate between face formed with an angle thetaA, the angle thetaABetween 45 °~54 °, formed with a folder between the incidence surface and the subreflector
Angle θC, the angle thetaCBetween 67.5 °~81 °, the incidence surface is with the exiting surface formed with an angle thetaB, the angle thetaBCan be between 45 °
~90 °.
9. optical communication module as claimed in claim 6, it is characterised in that the optoelectronic component array is an at least light-emitting component
And at least one smooth detecing element, and the light-emitting component is located at the orthographic projection position of the primary reflection surface vertical direction of the lens element
In the range of putting, and the smooth detecing element is located in the orthographic projection position range of the subreflector vertical direction of the lens element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721129983.4U CN207133475U (en) | 2017-09-05 | 2017-09-05 | Optical communication module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721129983.4U CN207133475U (en) | 2017-09-05 | 2017-09-05 | Optical communication module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207133475U true CN207133475U (en) | 2018-03-23 |
Family
ID=61637432
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721129983.4U Active CN207133475U (en) | 2017-09-05 | 2017-09-05 | Optical communication module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207133475U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108508553A (en) * | 2018-04-11 | 2018-09-07 | 青岛海信宽带多媒体技术有限公司 | A kind of optical mode group |
| CN109425942A (en) * | 2017-09-05 | 2019-03-05 | 禾橙科技股份有限公司 | Optical communication mould group |
| WO2021088181A1 (en) * | 2019-11-08 | 2021-05-14 | 武汉光迅科技股份有限公司 | Lens system |
| US11209608B2 (en) | 2018-04-11 | 2021-12-28 | Hisense Broadband Multimedia Technologies Co., Ltd. | Optical module |
-
2017
- 2017-09-05 CN CN201721129983.4U patent/CN207133475U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109425942A (en) * | 2017-09-05 | 2019-03-05 | 禾橙科技股份有限公司 | Optical communication mould group |
| CN108508553A (en) * | 2018-04-11 | 2018-09-07 | 青岛海信宽带多媒体技术有限公司 | A kind of optical mode group |
| CN108508553B (en) * | 2018-04-11 | 2020-06-16 | 青岛海信宽带多媒体技术有限公司 | Optical module |
| US11209608B2 (en) | 2018-04-11 | 2021-12-28 | Hisense Broadband Multimedia Technologies Co., Ltd. | Optical module |
| WO2021088181A1 (en) * | 2019-11-08 | 2021-05-14 | 武汉光迅科技股份有限公司 | Lens system |
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