CN103176248B - Photoelectric commutator - Google Patents
Photoelectric commutator Download PDFInfo
- Publication number
- CN103176248B CN103176248B CN201110440930.5A CN201110440930A CN103176248B CN 103176248 B CN103176248 B CN 103176248B CN 201110440930 A CN201110440930 A CN 201110440930A CN 103176248 B CN103176248 B CN 103176248B
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- China
- Prior art keywords
- lens
- photoelectric commutator
- diapire
- optical transport
- accommodation hole
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Abstract
A kind of photoelectric commutator, comprise bracing frame, the optical transport main body be connected with this bracing frame, multiple first lens and multiple second lens, this optical transport main body comprises the first surface and the second surface relative with this first surface that connect with this bracing frame, the plurality of first lens are convexly equipped on this first surface, one end that this optical transport main body is connected with this first surface offers accommodation hole, this accommodation hole comprises a diapire, the plurality of second lens are convexly equipped on this diapire, this first surface corresponds to this accommodation hole place and offers detection groove, this detection groove from this diapire and this accommodation hole through, for observing the plurality of first lens and the plurality of second lens simultaneously.The normotopia degree of the optical axis of the first lens of described photoelectric commutator and the optical axis of the second lens is more easily measured.
Description
Technical field
The present invention relates to opto-electronic conversion field, particularly relate to a kind of photoelectric commutator.
Background technology
General photoelectric commutator comprises laser diode (LaserDiode), the first optical transport portion, the second optical transport portion be coupled with the first optical transport portion and photodiode (PhotoDiode).After laser diode launches light signal, this light signal enters the first optical transport portion, and by the transmission of the second optical transport portion, finally enter photodiode, light signal becomes electric signal by photodiode converts, thus reaches the object of opto-electronic conversion.
First optical transport portion generally comprises the first lens being arranged at bottom surface and the second lens being arranged at the side crossing with bottom surface, light signal enters the first optical transport portion through the first collimated, then reflective surface through being arranged at the first inside, optical transport portion penetrate the first optical transport portion through the second collimated.First optical transport portion and the second optical transport portion are generally of coupled connections by the second lens and the optical fiber be installed in the second optical transport portion.The side that first optical transport portion has the second lens is generally formed with accommodation section, and these second lens are contained in this accommodation section, and one end that the second optical transport portion has optical fiber is inserted in this accommodation section, to make optical fiber and the second Lens Coupling.
In optical signal transmission process, photodiode can be passed under less loss in order to ensure light signal and carry out opto-electronic conversion, the optical signal transmission efficiency in the first optical transport portion must be ensured, namely the optical axis that the first optical transport portion is used for the first lens of receiving optical signals must ensure to be in same plane with for the optical axis of the second lens of emergent light signal, that is must ensure the normotopia degree of optical axis of the first lens and the second lens.But, because current second lens are contained in accommodation section, the optical axis of the first lens and the second lens cannot be observed from same angle simultaneously, thus make the more difficult measurement of normotopia degree of the optical axis of the first lens and the second lens.
Summary of the invention
In view of the foregoing, the photoelectric commutator providing the normotopia degree of a kind of optical axis of the first lens and the optical axis of the second lens more easily to measure is necessary.
A kind of photoelectric commutator, comprise bracing frame, the optical transport main body be connected with this bracing frame, multiple first lens and multiple second lens, this optical transport main body comprises the first surface and the second surface relative with this first surface that connect with this bracing frame, the plurality of first lens are convexly equipped on this first surface, one end that this optical transport main body is connected with this first surface offers accommodation hole, this accommodation hole comprises a diapire, the plurality of second lens are convexly equipped on this diapire, this first surface corresponds to this accommodation hole place and offers detection groove, this detection groove from this diapire and this accommodation hole through, for observing the plurality of first lens and the plurality of second lens simultaneously.
In above-mentioned photoelectric commutator, optical transport main body offers detection groove, and detect groove from the diapire of accommodation hole and accommodation hole through, thus observe first surface and diapire by detecting groove simultaneously, can observe the first lens being arranged at first surface and the second lens being arranged at diapire, thus it is comparatively easy to make to adopt normotopia degree detection system to measure the normotopia degree of the optical axis of the first lens and the optical axis of the second lens simultaneously.
Accompanying drawing explanation
Fig. 1 is the schematic perspective view of the photoelectric commutator of embodiment of the present invention.
Fig. 2 is the other direction schematic diagram of photoelectric commutator shown in Fig. 1.
Fig. 3 is the cut-away view of photoelectric commutator shown in Fig. 1 along III-III direction.
Fig. 4 is the observer state schematic diagram of photoelectric commutator shown in Fig. 1.
Main element symbol description
Photoelectric commutator 20
Bracing frame 21
Optical transport main body 22
First lens 23
Second lens 24
First surface 221
Detect groove 2213
Second surface 223
Reflection groove 225
The first side wall 2251
Second sidewall 2253
Accommodation hole 227
Diapire 2271
Location division 2273
Following embodiment will further illustrate the present invention in conjunction with above-mentioned accompanying drawing.
Embodiment
Refer to Fig. 1 and Fig. 2, the photoelectric commutator 20 of embodiment of the present invention comprises bracing frame 21, optical transport main body 22, multiple first lens 23 and multiple second lens 24.Multiple first lens 23 and multiple second lens 24 embed and are arranged in optical transport main body 22.The rectangular frame-shaped of bracing frame 21, and bracing frame 21 is arranged at the bottom of optical transport main body 22, is arranged at above laser diode (not shown), optical transport main body 22 is received and transmits the light signal of laser diode outgoing to support optical transport main body 22.Photoelectric commutator 20 is for transmission and transmitting photo-signal, it comprises various functional module for realizing various corresponding function, as comprised the laser diode for converting the electrical signal to light signal and the photodiode for light signal being converted to electric signal, but, in order to save space, in present embodiment, do not give detailed description.
Please refer to Fig. 3, optical transport main body 22 comprises the first surface 221 and the second surface 223 relative with first surface 221 that connect with bracing frame 21.Multiple first lens 23 interval to be convexly equipped on first surface 221 and to be located in bracing frame 21, for the light signal of collimated incident optical transport main body 22.
Second surface 223 offers reflection groove 225, reflection groove 225 is corresponding with multiple first lens 23, and the light signal transmitted by multiple first lens 23 is totally reflected in reflection groove 225.Reflection groove 225 is positioned in the middle part of second surface 223, and it is strip groove, and the xsect of reflection groove 225 is triangle.The second sidewall 2253 that reflection groove 225 comprises the first side wall 2251 and is connected with the first side wall 2251.In present embodiment, the first side wall 2251 extends along the direction of vertical first surface 221, and the second sidewall 2253 is along being that 45 degree of directions extend with the first side wall 2251 angle.In present embodiment, optical transport main body 22 adopts specific refractive index material to make, and is totally reflected in the second sidewall 2253 place to make light signal.
Optical transport main body 22 is in offering accommodation hole 227 towards the end face of the second sidewall 2253.Accommodation hole 227 is square blind hole, and it comprises diapire 2271.In present embodiment, diapire 2271 is parallel with the first side wall 2251.Multiple second lens 24 interval is convexly equipped on diapire 2271, for collimating the light signal of emergent light transmission main body 22.Both sides diapire 2271 being positioned at multiple second lens 24 are formed with location division 2273, for making other positioning parts of optical transport main body 22 and photoelectric commutator 20.In present embodiment, location division 2273 is reference column, is appreciated that location division 2273 can also pilot hole or other location structure.
First surface 221 offers relative to accommodation hole 227 place and detects groove 2213.Detecting groove 2213 is square groove, an one side is concordant with the diapire 2271 of accommodation hole 227, and it is through from diapire 2271 and accommodation hole 227 to detect groove 2213, thus first surface 221 and diapire 2271 can be observed by detecting groove 2213 simultaneously, namely can observe the first lens 23 and the second lens 24 (as shown in Figure 4) simultaneously.In present embodiment, the scope that detection groove 2213 is offered, for can just observe the second lens 24, is appreciated that detecting groove 2213 also can offer as observing location division 2273 and the second lens 24.Be appreciated that detecting groove 2213 is not limited to square groove, it also can be other shape, as trapezoidal, only need can observe the second lens 24 from detection groove 2213.
In present embodiment, the first lens 23 and the second lens 24 are single convex spherical collector lens, and the number of the first lens 23 and the second lens 24 is four.
When photoelectric commutator 20 uses, light signal transfers to optical transport main body 22 after the first lens 23 optically focused, until optical signal transmission to the second sidewall 2253, light signal in the second sidewall 2253 place through total reflection, and transfer to the second lens 24, light signal transfers to other functional module of photoelectric commutator 20 after the second lens 24 collimate, to realize follow-up opto-electronic conversion.
Be appreciated that the second sidewall 2253 place can also apply one deck reflectance coating or catoptron, be totally reflected in the second sidewall 2253 place to make light.
Be appreciated that, the diapire 2271 of accommodation hole 227 also can not be parallel with the first side wall 2251, then in order to make light transfer to the second sidewall 2253 by the first lens 23 and total reflection to the angle of the second lens 24, second sidewall 2253 and the first side wall 2251 changes according to diapire 2271 and the variable angle of the first side wall 2251.
In above-mentioned optical signal transmission process, in optical transport main body 22, there is less light loss in order to ensure light signal, then need the optical axis of the optical axis of guarantee first lens 23 and the second lens 24 to be in same plane.
In the photoelectric commutator 20 of present embodiment, optical transport main body 22 offers and detects groove 2213, and it is through with accommodation hole 227 from the diapire 2271 of accommodation hole 227 to detect groove 2213, thus observe first surface 221 and diapire 2271 by detecting groove 2213 simultaneously, namely can observe the first lens 23 being arranged at first surface 221 and the second lens 24 being arranged at diapire 2271, thus it is comparatively easy to make to adopt normotopia degree detection system to measure the normotopia degree of the optical axis of the first lens 23 and the optical axis of the second lens 24 simultaneously.
In addition, those skilled in the art also can do other change in spirit of the present invention, and certainly, these changes done according to the present invention's spirit, all should be included in the present invention's scope required for protection.
Claims (6)
1. a photoelectric commutator, comprise bracing frame, the optical transport main body be connected with this bracing frame, multiple first lens and multiple second lens, this optical transport main body comprises the first surface and the second surface relative with this first surface that connect with this bracing frame, the plurality of first lens are convexly equipped on this first surface, one end that this optical transport main body is connected with this first surface offers accommodation hole, this accommodation hole comprises a diapire, the plurality of second lens are convexly equipped on this diapire, it is characterized in that: this first surface corresponds to this accommodation hole place and offers detection groove, this detection groove from this diapire and this accommodation hole through, for observing the plurality of first lens and the plurality of second lens simultaneously.
2. photoelectric commutator as claimed in claim 1, it is characterized in that: this second surface and the plurality of first lens corresponding section offer reflection groove, the second sidewall that this reflection groove comprises the first side wall and tilts to be connected with the first side wall, the plurality of second lens are arranged at towards the side of this second sidewall, and light signal is totally reflected through this second sidewall.
3. photoelectric commutator as claimed in claim 2, is characterized in that: this first side wall extends along the direction vertical with this first surface, and this second sidewall edge is that 45 degree of directions extend with this first side wall angle.
4. photoelectric commutator as claimed in claim 1, is characterized in that: the both sides this diapire being positioned at the plurality of second lens are formed with location division.
5. photoelectric commutator as claimed in claim 1, is characterized in that: this detection groove is square groove.
6. photoelectric commutator as claimed in claim 1, is characterized in that: these first lens and this second lens are single convex spherical collector lens.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110440930.5A CN103176248B (en) | 2011-12-26 | 2011-12-26 | Photoelectric commutator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110440930.5A CN103176248B (en) | 2011-12-26 | 2011-12-26 | Photoelectric commutator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103176248A CN103176248A (en) | 2013-06-26 |
| CN103176248B true CN103176248B (en) | 2016-01-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110440930.5A Expired - Fee Related CN103176248B (en) | 2011-12-26 | 2011-12-26 | Photoelectric commutator |
Country Status (1)
| Country | Link |
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| CN (1) | CN103176248B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103323917A (en) * | 2012-03-23 | 2013-09-25 | 鸿富锦精密工业（深圳）有限公司 | Photoelectric transducer |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101266325A (en) * | 2007-03-15 | 2008-09-17 | 日立电线株式会社 | Optical system connection structure, optical component, and optical communication module |
| TW201115195A (en) * | 2009-10-30 | 2011-05-01 | Hon Hai Prec Ind Co Ltd | Optical-fiber connector |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7189007B2 (en) * | 2005-02-09 | 2007-03-13 | Tektronix, Inc. | Termination for optic fiber |
| JP2008102315A (en) * | 2006-10-19 | 2008-05-01 | Sumitomo Electric Ind Ltd | Method of manufacturing optical interconnection component, and the optical interconnection component |
| US8335411B2 (en) * | 2008-11-11 | 2012-12-18 | Ultra Communications, Inc. | Fiber optic bi-directional coupling lens |
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2011
- 2011-12-26 CN CN201110440930.5A patent/CN103176248B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101266325A (en) * | 2007-03-15 | 2008-09-17 | 日立电线株式会社 | Optical system connection structure, optical component, and optical communication module |
| TW201115195A (en) * | 2009-10-30 | 2011-05-01 | Hon Hai Prec Ind Co Ltd | Optical-fiber connector |
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| Publication number | Publication date |
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| CN103176248A (en) | 2013-06-26 |
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