CN101674134B - Optical lens integrated module and optical secondary module - Google Patents
Optical lens integrated module and optical secondary module Download PDFInfo
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- CN101674134B CN101674134B CN 200810141863 CN200810141863A CN101674134B CN 101674134 B CN101674134 B CN 101674134B CN 200810141863 CN200810141863 CN 200810141863 CN 200810141863 A CN200810141863 A CN 200810141863A CN 101674134 B CN101674134 B CN 101674134B
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- filter disc
- filter
- lens section
- lens
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Abstract
The invention relates to an optical lens integrated module used for multi-direction optical fiber transmission and an optical secondary module using the same. The optical lens integrated module comprises a first filter disc seat and a second filter disc seat, which are provided with a lens part and an optical filter disc respectively; and when the first filter disc seat and the second filter disc seat are assembled on the optical secondary module, the first filter disc seat and the second filter disc seat are correspondingly arranged on the sides of an optical transmitter and an optical receiver respectively. In assembly, the filter disc seats are arranged in a shell of the optical secondary module respectively, wherein the first lens part is inserted in a through hole at the front end of the optical receiver, the second lens part is inserted in a through hole at the front end of the optical transmitter, and no gaps are left between the first lens part and the through hole and between the second lens part and the through hole, so that the rays in the tangent direction are effectively reduced, the astigmatism caused by deviation of focal points of the rays in the radial direction is effectively lowered, and the attenuation in transfer of optical signals is greatly reduced; in addition, because the first filter disc seat and the second filter disc seat can be manufactured in a mode of modeling formation(plastic injection one-piece formation), the errors are reduced in mass production, and the manufacturing cost is greatly lowered.
Description
Technical field
The present invention relates to a kind of optical lens integrated module for optical secondary module, refer to especially a kind of structure that optical filter and optical lens are integrated.
Background technology
Fiber optical transceiver is a kind of merging device that includes optical transmitting set and optical receiver, therefore be also referred to as optical-electrical converter or optic fiber converter (Fiber Converter), see also shown in Figure 1, block hardware diagram when linking for general optical secondary module, fiber optical transceiver 10 comprises an optical transmitting set 101, an optical receiver 102, an optical fiber splice 103 and an optical filter 104.Wherein, optical transmitting set 101 and optical receiver 102 are made information with a laser driver 105 and a signal amplifier 106 respectively again and are linked, and laser driver 105 and signal amplifier 106 are done the information link with a communication protocol control 107 again, in order to carry out the exchange of the signal of telecommunication and light signal.
Wherein, the combination of an optical transmitting set 101, an optical receiver 102, an optical fiber splice 103 and an optical filter 104 is called again optical secondary module.See also shown in Figure 2ly, be the assembled sectional view of existing optical secondary module, and aforementioned fiber optical transceiver 10 comprises a shell 108, an optical transmitting set 101, an optical receiver 102 and an optical fiber splice 103.Wherein, shell 108 inside form an accommodation space 1081, and respectively form an open-work 1082 on adjacent three sides on the shell 108, and its optical transmitting set 101, optical receiver 102 and optical fiber splice 103 are mounted in each open-work 1082 successively.Optical transmitting set 101 is relative with optical fiber splice 103,102 of optical receivers are positioned at optical fiber splice 103 1 sides (shown in the figure, optical receiver 102 is perpendicular with optical fiber splice 103), and on the optical signal path of relative optical transmitting set 101 and optical receiver 102, group is provided with optical filter 104, and optical transmitting set 101 and optical receiver 102 are by a shell 1011,1021, one optical lens 1012,1022 and one photoelectric cell 1013,1023 form, its shell 1011,1021 central authorities also form an open- work 1014,1024, with with optical lens 1012,1022 are mounted on open-work 1014, in 1024, utilize optical lens 1012,1022 compensating light electric devices 1013,1023, and reduce the tangential direction ray, and the radial direction radiation departs from the astigmatism that causes.Yet, optical lens 1012,1022 is assembled in open- work 1014,1024 when interior, may be because the tolerance issues of each inter-module, (gap 1015 shown in the figure is distance D to cause the rear generation of assembling gap 1015,1025, and gap 1025 is angle θ) so that light signal has the phenomenon of decay when transmission, for assembler, not only assembling is wasted time and energy, and also quite is not easy when in the future doing signal correction.
Summary of the invention
The technical problem to be solved in the present invention is, there is assembly clearance so that signal has the defective of decay when the transmission for the optical lens of the photoelectric cells such as the above-mentioned optical transmitting set of prior art or optical receiver, when being provided, a kind of a large amount of manufacturing can reduce error, optical lens integrated module and the optical secondary module of the relaxation phenomenon in the time of can significantly reducing the light signal transmission.
The technical solution adopted for the present invention to solve the technical problems is: construct a kind of optical lens integrated module, comprise: a filter,primary seat, described filter,primary seat one side is provided with a straight trough, opposite side then is provided with a first lens section, and described straight trough is mutually vertical with the central axis of described first lens section;
One second filter disc seat, described the second filter disc seat one side is provided with a skewed slot, and opposite side then is provided with one second lens section;
One is mounted on the filter,primary in the described straight trough; And
One is mounted on the second filter disc in the described skewed slot;
The central axis of described skewed slot and described the second lens section is in a certain angle, penetrates from the light signal of described the second lens section one side central axial direction along described the second lens section behind described the second filter disc; And enter described filter,primary and first lens from the light signal of described the second filter disc side through described the second filter disc reflection.
In optical lens integrated module of the present invention, described angle is 45 degree.
In optical lens integrated module of the present invention, described filter,primary seat and described the second filter disc seat are plastics filter disc seat.
In optical lens integrated module of the present invention, described filter,primary is arranged on the described straight trough.
In optical lens integrated module of the present invention, described the second filter disc is arranged on the described skewed slot.
In optical lens integrated module of the present invention, described first lens section and described the second lens section are convex lens.
The present invention also provides a kind of optical secondary module, comprises that inside is provided with the shell of accommodation space, and three sides that described shell is adjacent are respectively equipped with an open-work; In each described open-work, be respectively equipped with optical transmitting set, optical receiver and optical fiber splice; Described optical secondary module also comprises:
One is located at the filter,primary seat of described optical receiver one side, and described filter,primary seat one side is provided with a straight trough, and opposite side then is provided with a first lens section, and described straight trough is mutually vertical with the central axis of described lens section;
One is located at the second filter disc seat of described optical transmitting set one side, and described the second filter disc seat one side is provided with a skewed slot, and opposite side then is provided with one second lens section;
One is mounted on the filter,primary in the described straight trough; And second filter disc that is mounted in the described skewed slot;
Described first lens section is inserted in the open-work of described optical receiver receiving terminal, and described first lens section and filter,primary are positioned on the path of receiving optical signals of described optical receiver;
Described the second lens section is inserted in the open-work of described optical transmitting set transmitting terminal, and described the second filter disc and the second lens section are positioned on the path of utilizing emitted light signal of described optical transmitting set;
The central axis of described skewed slot and described the second lens section is in a certain angle, enters into described optical fiber splice from light signal central axial direction along described the second lens section behind described the second filter disc of described optical transmitting set;
And enter described optical receiver through described the second filter disc reflection through described filter,primary and first lens from the light signal of described optical fiber splice.
In optical secondary module of the present invention, described angle is 45 degree.
In optical secondary module of the present invention, described optical fiber splice comprises a body, and the one end forms an inserting hole, and the other end then forms a lens section; And a socket part that is located at described body one end, the center of described socket part forms a fixing hole.
In optical secondary module of the present invention, form a stop section on the described tube wall.
Implement the present invention and have following beneficial effect: when the present invention assembles, the filter disc seat is mounted on respectively in the housing of optical secondary module, and first lens section is inserted in the open-work of optical receiver front end, and the second lens section is inserted in the open-work of optical transmitting set front end, can not produce any gap therebetween, thereby can effectively reduce the tangential direction ray, and the radial direction radiation departs from the astigmatism that causes, and the relaxation phenomenon when significantly reducing light signal and transmitting.In addition, because filter,primary seat and the second filter disc seat can adopt the mode of mould model (plastic injection is one-body molded) to make, can reduce error when it is made in a large number, and significantly reduce its manufacturing cost.
Description of drawings
The invention will be further described below in conjunction with drawings and Examples, in the accompanying drawing:
Fig. 1 is the general fiber optical transceiver block hardware diagram when linking.
Fig. 2 is the assembled sectional view of existing optical secondary module.
Fig. 3 is the perspective exploded view of the filter,primary seat of a specific embodiment of the present invention.
Fig. 4 is the perspective exploded view of the second filter disc seat of a specific embodiment of the present invention.
Fig. 5 is the path schematic representation intention that the light signal of a specific embodiment of the present invention moves.
Fig. 6 is the perspective exploded view of the optical fiber splice of a specific embodiment of the present invention.
Fig. 7 is the schematic diagram of another angle of optical fiber splice shown in Figure 6.
[primary clustering symbol description]
10 fiber optical transceivers, 101 optical transmitting sets
1011 shells, 1012 lens
1013 photoelectric cells, 1014 open-works
1015 gaps, 102 optical receivers
1021 shells, 1022 lens
1023 photoelectric cells, 1024 open-works
1025 gaps, 103 optical fiber splices
104 optical filters, 105 laser drivers
106 signal amplifiers, 107 communication protocol controls
108 shells, 1081 accommodation spaces
1082 open-works, 20 optical lens integrated modules
201 filter,primary seats, 2011 straight troughs
2012 first lens sections, 202 second filter disc seats
2021 skewed slots, 2,022 second lens sections
203 filter,primaries, 204 second filter discs
30 optical secondary modules, 301 shells
3011 accommodation spaces, 3012 open-works
302 optical transmitting sets, 3021 open-works
303 optical receivers, 3031 open-works
304 optical fiber splices, 3041 bodys
3042 inserting holes, 3043 lens sections
3045 socket parts, 3044 stop sections
3046 fixing holes, 40 Connectorized fiber optic cablings
Embodiment
See also shown in Fig. 3,4,5, be the filter,primary seat of a specific embodiment of the present invention, and the three-dimensional exploded view of the second filter disc seat.Wherein, optical lens integrated module 20 comprises: a filter,primary seat 201, one side form a straight trough 2011, and opposite side then forms a first lens section 2012; This first lens section 2012 is convex lens, and straight trough 2011 is mutually vertical with the central axis of first lens section 2012; This filter,primary seat 201 can be made for plastic material; One second filter disc seat 202, the one side forms a skewed slot 2021, opposite side then forms one second lens section 2022, its second lens section 2022 is convex lens, and it is (understandable that the central axis of skewed slot 2021 and the second lens section 2022 is 45 degree, the central axis angle of skewed slot and the second lens section can also be other angles, as long as make the light signal from optical fiber splice one side vertically enter into described filter,primary and first lens through the second filter disc reflection post deflection); This second filter disc seat 202 can be made for plastic material; One is mounted on the filter,primary 203 in the straight trough 2011, is used for taking out the light signal of required wavelength, and straight trough 2011 is configured as the shape corresponding with filter,primary 203; And second filter disc 204 that is mounted in the skewed slot 2021, be used for taking out the light signal of required wavelength, and skewed slot 2021 is configured as the shape corresponding with the second filter disc 204.
See also shown in Figure 5, the path schematic diagram that moves for the light signal of a specific embodiment of the present invention.Filter,primary seat 201 is combined into one with filter,primary 203, and the second filter disc seat 202 and the second filter disc 204 are combined into one, and the filter,primary seat 201 after will making up again and the second filter disc seat 202 are mounted on respectively the appropriate location in the optical secondary module 30.This optical secondary module 30 comprises a shell 301, an optical transmitting set 302, an optical receiver 303 and an optical fiber splice 304.Wherein, the inside of shell 301 forms an accommodation space 3011, and respectively form an open-work 3012 on adjacent three sides on the shell 301, its optical transmitting set 302, optical receiver 303 and optical fiber splice 304 are mounted in each open-work 3012 successively, and make optical transmitting set 302 relative with optical fiber splice 304, optical receiver 303 is positioned on the side vertical with optical fiber splice 304, and optical receiver 303 is positioned at optical fiber splice 304 1 sides, its filter,primary seat 201 (please consulting again Fig. 3) is mounted on a side of optical receiver 303, first lens section 2012 is inserted in the open-work 3031 of institute's moulding on optical receiver 303 receiving terminals, so that first lens section 2012 all is positioned on the path of optical receiver 303 receiving optical signals with filter,primary 203; And the side that the second filter disc seat 202 (please consulting again Fig. 4) group is established optical transmitting set 302, its second lens section 2022 is inserted in the open-work 3021 of institute's moulding on optical transmitting set 302 transmitting terminals, so that the second filter disc 204 and the second lens section 2022 all are positioned on the path of optical transmitting set 302 utilizing emitted light signals.
Wherein optical fiber splice 304 can adopt lens integrated type optical fiber connector 304, also can select other existing various optical fiber splices 304.In the present embodiment, optical fiber splice 304 adopts lens integrated type optical fiber connector 304, it comprises shown in Fig. 6,7: a body 3041, can make by plastic injection is one-body molded, and form an inserting hole 3042 in body 3041 outer ends, be provided with the Connectorized fiber optic cabling of planting, and form a lens section 3043 in the inner of body 3041, can converge the light signal that Connectorized fiber optic cabling is exported, decay when transmitting significantly to reduce light signal, wherein, the central axis of the central axis of inserting hole 3042 and lens section 3043 is conllinear.Outer wall at body 3041 forms a stop section 3044, and this stop section 3044 is located on body 3041 surfaces, or with equidistant body 3041 surfaces that are arranged at of segmentation form; One is mounted on the socket part 3045 of body 3041 the inners, make with metal or other material this socket part 3045, and 3045 centers, socket part form a fixing hole 3046, this fixing hole 3046 is arranged in the inner of body 3041, and utilizes socket part 3045 outer rims to lock on the shell of optical secondary module.When socket part 3045 was mounted on the body 3041, its socket part 3045 just can be locked on the stop section 3044 of body 3041.Because body 3041 penetrates integrated mode (a kind of mode of mould molding processing with plastic materials, and the selection of material is transparent plastic materials) make, therefore can be by massive duplication, and be difficult for producing the error on making, can avoid simultaneously the tolerance issues of existing optical fiber splice 304 (seeing also Fig. 2) when assembling, and can significantly reduce and make and material cost, and, the wherein design of lens section 3043, after can converging light signal, import again in the aforementioned optical secondary module, and the relaxation phenomenon when effectively reducing light signal and transmitting.
The occupation mode of the optical secondary module 30 of the present embodiment is identical with general optical secondary module, optical transmitting set 302 and optical receiver 303 are made information with a Connectorized fiber optic cabling 40 respectively and are linked, and optical fiber splice 304 and a Connectorized fiber optic cabling 40 are done the information link, therefore, the signal of telecommunication sends light signal through conversion rear drive optical transmitting set 302, this light signal is by the second filter disc 204 on the second filter disc seat 202, take the light signal of suitable wavelength section, again respectively through superrefraction and after penetrating, inject Connectorized fiber optic cabling 40, another light signal can be by in the optical fiber splice 304 input optical secondary modules 30, take the light signal of suitable wavelength section, after reflection, inject the filter,primary 203 of filter,primary seat 201, received by optical receiver 303 at last, reach the purpose of light signal and signal of telecommunication conversion.
As mentioned above, optical lens integrated module of the present invention has following advantages at least:
Filter,primary seat of the present invention and the second filter disc seat after the assembling of finishing with optical secondary module, can make first lens section and the second lens section, be inserted in respectively in the photoelectric cells such as optical receiver and optical transmitting set, when carrying out optical signal transmission significantly to reduce photoelectric cell, because of the tangential direction ray, and the radial direction radiation departs from the astigmatism that causes, and the decay when significantly reducing light signal and transmitting, and assembling, proofread and correct all quite convenient.
In addition, because aforementioned two filter disc seats can be made of the mode of mould molding (plastic injection is one-body molded), not only when a large amount of production, can reduce foozle, and promote the yield of producing, and can significantly reduce its manufacturing cost.
Its filter,primary and the second filter disc, be mounted in the straight trough and skewed slot of aforementioned two filter disc seat institutes moulding, two filter discs can both be positioned on the tram of optical signal path, and reduce the light signal after reflection and the refraction, enter the front focus off-set phenomenon of first lens section and the second lens section.
The above only is a specific embodiment of the present invention, is not to limit scope of the invention process; Anyly have the knack of this skill person, change and modify not breaking away from the equalization of doing under spirit of the present invention and the scope, all should be covered by in the claim of the present invention.
Claims (10)
1. an optical lens integrated module is characterized in that, comprising:
One filter,primary seat, described filter,primary seat one side is provided with a straight trough, and opposite side then is provided with a first lens section, and described straight trough is mutually vertical with the central axis of described first lens section;
One second filter disc seat, described the second filter disc seat one side is provided with a skewed slot, and opposite side then is provided with one second lens section;
One is mounted on the filter,primary in the described straight trough; And
One is mounted on the second filter disc in the described skewed slot;
The central axis of described skewed slot and described the second lens section is in a certain angle, penetrates from the light signal of described the second lens section one side central axial direction along described the second lens section behind described the second filter disc;
And vertically enter described filter,primary and first lens section from the light signal of described the second filter disc side through described the second filter disc reflection.
2. optical lens integrated module as claimed in claim 1 is characterized in that, described angle is 45 degree.
3. optical lens integrated module as claimed in claim 1 is characterized in that, described filter,primary seat and described the second filter disc seat are plastics filter disc seat.
4. optical lens integrated module as claimed in claim 1 is characterized in that, described filter,primary is arranged on the described straight trough.
5. optical lens integrated module as claimed in claim 1 is characterized in that, described the second filter disc is arranged on the described skewed slot.
6. optical lens integrated module as claimed in claim 1 is characterized in that, described first lens section and described the second lens section are convex lens.
7. an optical secondary module comprises that inside is provided with the shell of accommodation space, and three sides that described shell is adjacent are respectively equipped with an open-work; Optical transmitting set, optical receiver and optical fiber splice separately are arranged on separately in each described open-work; It is characterized in that, described optical secondary module also comprises:
One is located at the filter,primary seat of described optical receiver one side, and described filter,primary seat one side is provided with a straight trough, and opposite side then is provided with a first lens section, and described straight trough is mutually vertical with the central axis of described lens section;
One is located at the second filter disc seat of described optical transmitting set one side, and described the second filter disc seat one side is provided with a skewed slot, and opposite side then is provided with one second lens section;
One is mounted on the filter,primary in the described straight trough; And second filter disc that is mounted in the described skewed slot;
Described first lens section is inserted in the open-work of described optical receiver receiving terminal, and described first lens section and filter,primary are positioned on the path of receiving optical signals of described optical receiver;
Described the second lens section is inserted in the open-work of described optical transmitting set transmitting terminal, and described the second filter disc and the second lens section are positioned on the path of utilizing emitted light signal of described optical transmitting set;
The central axis of described skewed slot and described the second lens section is in a certain angle, enters into described optical fiber splice from light signal central axial direction along described the second lens section behind described the second filter disc of described optical transmitting set;
And enter described optical receiver through described the second filter disc reflection through described filter,primary is vertical with first lens section from the light signal of described optical fiber splice.
8. optical secondary module according to claim 7 is characterized in that, described angle is 45 degree.
9. optical secondary module according to claim 8 is characterized in that, described optical fiber splice comprises that a body and is located at the socket part of described body one end; One end of described body forms an inserting hole, and the other end then forms a lens section; The center of described socket part forms a fixing hole, and described socket part is mounted on the end that described body is provided with described lens section.
10. optical secondary module according to claim 9 is characterized in that, forms a stop section on the described tube wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200810141863 CN101674134B (en) | 2008-09-08 | 2008-09-08 | Optical lens integrated module and optical secondary module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200810141863 CN101674134B (en) | 2008-09-08 | 2008-09-08 | Optical lens integrated module and optical secondary module |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101674134A CN101674134A (en) | 2010-03-17 |
| CN101674134B true CN101674134B (en) | 2013-05-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200810141863 Expired - Fee Related CN101674134B (en) | 2008-09-08 | 2008-09-08 | Optical lens integrated module and optical secondary module |
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| Country | Link |
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| CN (1) | CN101674134B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017127339A1 (en) * | 2016-01-19 | 2017-07-27 | Afl Telecommunications Llc | Optical fiber bulkhead splice assemblies for optical transciever modules |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6668113B2 (en) * | 2001-09-19 | 2003-12-23 | Finisar Corporation | Compact optical assembly for optoelectronic transceivers |
| CN2607585Y (en) * | 2003-03-07 | 2004-03-24 | 洪祯宏 | The housing body of the duplex optical transceiver module |
| CN1936637A (en) * | 2005-09-20 | 2007-03-28 | 财团法人工业技术研究院 | Bidirectional Optical Transceiver Module |
| CN201263154Y (en) * | 2008-09-08 | 2009-06-24 | 智科光光电（深圳）有限公司 | Optical lens integration module and optical secondary module |
-
2008
- 2008-09-08 CN CN 200810141863 patent/CN101674134B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6668113B2 (en) * | 2001-09-19 | 2003-12-23 | Finisar Corporation | Compact optical assembly for optoelectronic transceivers |
| CN2607585Y (en) * | 2003-03-07 | 2004-03-24 | 洪祯宏 | The housing body of the duplex optical transceiver module |
| CN1936637A (en) * | 2005-09-20 | 2007-03-28 | 财团法人工业技术研究院 | Bidirectional Optical Transceiver Module |
| CN201263154Y (en) * | 2008-09-08 | 2009-06-24 | 智科光光电（深圳）有限公司 | Optical lens integration module and optical secondary module |
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| Publication number | Publication date |
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| CN101674134A (en) | 2010-03-17 |
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