CN104122630B - Beam condensing unit and use the photo-electric conversion device of this beam condensing unit - Google Patents
Beam condensing unit and use the photo-electric conversion device of this beam condensing unit Download PDFInfo
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- CN104122630B CN104122630B CN201310144681.4A CN201310144681A CN104122630B CN 104122630 B CN104122630 B CN 104122630B CN 201310144681 A CN201310144681 A CN 201310144681A CN 104122630 B CN104122630 B CN 104122630B
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- condensing unit
- conversion device
- plastic body
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Abstract
A kind of beam condensing unit and use the photo-electric conversion device of this beam condensing unit, this beam condensing unit is used for transmitting and assembling optical signal, this beam condensing unit includes plastic body and the funnelform passage being arranged on plastic body, described passage includes the top for optical signal entrance and the bottom relative with top, the area on top is more than the area of bottom, optical signal is aggregated the bottom from passage after the top of passage enters passage and sends, the present invention carries out the transmission of optical signal by arranging funnelform passage on plastic body and optical signal is brought together, and has saved cost；Meanwhile, the top of passage can design different sizes as required, to reduce the loss of optical signal.
Description
[technical field]
The present invention relates to a kind of beam condensing unit and use the photo-electric conversion device of this beam condensing unit, a kind of cost-saved and reduce the beam condensing unit of light loss and use the photo-electric conversion device of this beam condensing unit.
[background technology]
Chinese patent discloses No. 102667565A and discloses a kind of existing photo-electric conversion device, and the optical signal sent from optical fiber enters photo-electric conversion device after lens arra conversion direction, and photo-electric conversion device is converted into the signal of telecommunication optical signal.Owing to the prior art uses lens optical signal is brought together and is transferred to photo-electric conversion device, need additionally to increase lens, add cost, and need accurately to arrange the position of lens, it is beneficial to lens and receives the optical signal sent from optical fiber, reduce the loss of optical signal as far as possible, bring the biggest difficulty to manufacturing.
In consideration of it, necessary, existing photo-electric conversion device is improved to overcome the drawbacks described above of prior art.
[summary of the invention]
It is an object of the invention to provide beam condensing unit that is a kind of cost-saved and that reduce light loss and use the photo-electric conversion device of this beam condensing unit.
It is an object of the invention to be achieved through the following technical solutions:
A. a beam condensing unit, it is used for transmitting and assembling optical signal, this beam condensing unit includes plastic body and the funnelform passage being arranged on plastic body, described passage includes the top for optical signal entrance and the bottom relative with top, the area on top is aggregated the bottom from passage after the top of passage enters passage sends more than the area of bottom, optical signal.
B. the present invention defines further, and the inwall of described passage is coated with metal level.
C. the present invention defines further, is marked with optical cement in described passage, and the refractive index of described optical cement is more than the refractive index of described plastic body.
D. the present invention defines further, and the refractive index of described optical cement is more than 1.6, and the refractive index of described plastic body is less than 1.5.
Present invention also offers a kind of photo-electric conversion device, its setting is used for receiving optical signal and optical signal being converted into the signal of telecommunication on circuit boards, the photoelectric cell that some conducting terminals that this photo-electric conversion device includes plastic body, be arranged on plastic body weld with conducting terminal and the beam condensing unit as according to any one of above-mentioned A-D item, described photoelectric cell aligns with described beam condensing unit in the vertical direction.
The present invention defines further, and described conducting terminal is provided with base portion and the first weld part extended from base portion and the second weld part, and the first weld part welds with photoelectric cell, the second weld part and welding circuit board.
The present invention defines further, and described photo-electric conversion device also includes the fixing terminal being arranged on plastic body, and fixing terminal welds with photoelectric cell.
The present invention defines further, and described fixing terminal is provided with fixed part and the some fixing foot of self-retaining portion extension, and fixing foot welds with photoelectric cell.
The present invention defines further, and described plastic body is provided with the accepting groove for housing conducting terminal and houses the depressed part of fixing terminal, and the bearing of trend of accepting groove is vertical with the bearing of trend of depressed part.
The present invention defines further, and described second weld part extends the lower surface of plastic body.
Compared to prior art, owing to the present invention carries out the transmission of optical signal by arranging funnelform passage on plastic body and optical signal is brought together, save cost；Meanwhile, the top of passage can design different sizes as required, to reduce the loss of optical signal.
[accompanying drawing explanation]
Fig. 1 is the three-dimensional exploded view of photo-electric conversion device of the present invention；
Fig. 2 is the axonometric chart of beam condensing unit of the present invention；
Fig. 3 is the enlarged drawing of the circled portion of beam condensing unit shown in Fig. 2；
Fig. 4 is the axonometric chart before photo-electric conversion device of the present invention assembles with optical fiber module and circuit board；
Fig. 5 is the axonometric chart after photo-electric conversion device of the present invention assembles with optical fiber module and circuit board；
Fig. 6 is the cut-away view of assembling figure A-A along the line shown in Fig. 5；And
Fig. 7 is the enlarged drawing of the circled portion of cut-away view shown in Fig. 6.
[detailed description of the invention]
Refer to shown in Fig. 1 and Fig. 5, photo-electric conversion device 100 of the present invention is arranged on circuit board 6 for receiving the optical signal that sends from optical fiber module 7 and optical signal being converted into the signal of telecommunication, this photo-electric conversion device 100 includes beam condensing unit 8, some conducting terminals 2 of being arranged on beam condensing unit 8 and fixing terminal 3, the photoelectric cell 4 welded with conducting terminal 2 and fixing terminal 3 by some solders 5.
Refer to shown in Fig. 1 to Fig. 3, if beam condensing unit 8 includes plastic body 1 and the dry passage 101 being arranged on plastic body 1.Plastic body 1 is provided with the lower surface 11 near circuit board 6 and the upper surface 10 relative with lower surface 11.Plastic body 1 is provided with from lower surface 11 to the depressed part 113 of plastic body 1 inner recess and some accepting grooves 112.The bearing of trend of accepting groove 112 is vertical with the bearing of trend of depressed part 113.Plastic body 1 is additionally provided with from the extended some supporting parts 110 of lower surface 11 and the hole 102, a pair location of running through upper surface 10 and lower surface 11.If dry passage 101 runs through upper surface 10 and the lower surface 11 of plastic body 1.Refer to shown in Fig. 7, if dry passage 101 is funnel-shaped structure, including the top 1010 entered for optical signal and the bottom 1011 relative with top 1010, the area on top 1010 is more than the area of bottom 1011, and optical signal is aggregated the bottom 1011 from passage 1010 after the top 1010 of passage 101 enters passage 1010 and sends.Optical cement 1012 it is marked with in passage 1010.The refractive index of optical cement 1012 is more than 1.6 more than the refractive index of plastic body 1, the preferably refractive index of optical cement 1012, and the refractive index of plastic body 1 is less than 1.5, reaches the optimal purpose reducing light loss.
The first weld part 22 and the second weld part 23 that conducting terminal 2 is provided with base portion 21 and the opposite end from base portion 21 extends.The some fixing foot 32 that fixing terminal 3 is provided with fixed part 31 and self-retaining portion 31 extends.Photoelectric cell 4 is provided with some first conducting strips 41 being positioned at first row and some second conducting strips 42 being positioned at second row.
Refer to shown in Fig. 4 Yu Fig. 7, when invention photo-electric conversion device 100 assembles, conducting terminal 2 is assembled in the accepting groove 112 of plastic body 1, fixing terminal 3 is assembled in the depressed part 113 of plastic body 1, again photoelectric cell 4 is welded together with fixing terminal 3 with conducting terminal 2, first conducting strip 41 of photoelectric cell 4 is welded together by the fixing foot 32 of solder 5 with fixing terminal 3, second conducting strip 42 of photoelectric cell 4 is welded together by the first weld part 22 of solder 5 with conducting terminal 2, now, photoelectric cell 4 aligns with beam condensing unit 101 in the vertical direction to receive the optical signal assembled from beam condensing unit 101.Fixing terminal 3 is welded to photoelectric cell 4 for balancing fixing photoelectric cell 4.
Refer to shown in Fig. 4 to Fig. 7, when photo-electric conversion device 100 of the present invention uses, second weld part 23 of conducting terminal 2 is welded on circuit board 6 by solder 5, second weld part 23 extends the lower surface 10 of plastic body 1, photoelectric cell 4 is supported on circuit board 6 with the supporting part 110 of plastic body 1, now, the through hole 61 that circuit board 6 is arranged aligns with the hole, location 102 of electric conversion means 100.Optical fiber module 7 is provided with locating dowel 73, and during assembling, locating dowel 73 is through the through hole 61 positioning hole 102 and circuit board 6 of photo-electric conversion device 100 so that optical fiber module 7 fits together with photo-electric conversion device 100 and circuit board 6.
Refer to shown in Fig. 6, the lens 72 that optical fiber module 7 is arranged can become the optical signal dissipated sent from optical fiber 71 into parallel optical signal, the parallel optical signal that the beam condensing unit 101 that photo-electric conversion device 100 of the present invention is arranged sends from lens 72 is brought together, owing to photoelectric cell 4 aligns with beam condensing unit 101 in the vertical direction, photoelectric cell 4 can receive the optical signal assembled from beam condensing unit 101 smoothly, and then optical signal is converted into the signal of telecommunication.
The present invention carries out the transmission of optical signal by arranging funnelform passage 101 on plastic body 1 and optical signal is brought together, and has saved cost；Meanwhile, the top 1010 of passage 101 can design different sizes as required, to reduce the loss of optical signal.
These are only the preferred embodiments of the invention, other any improvement conversion done on the basis of the present embodiment should also be as without departing from technical scheme.
Claims (4)
1. a photo-electric conversion device, its setting is used for receiving optical signal and optical signal being turned on circuit boards
Change the signal of telecommunication into, it is characterised in that: this photo-electric conversion device includes beam condensing unit, is arranged on described optically focused
Some conducting terminals on device and the photoelectric cell welded with described conducting terminal, described beam condensing unit bag
Including plastic body and the funnelform passage being arranged on described plastic body, described passage includes believing for light
Number top entered and the bottom relative with top, the area on top more than the area of bottom, optical signal from
The top of passage is aggregated the bottom from passage after entering passage and sends, and described conducting terminal is arranged on described
On plastic body, described conducting terminal is provided with base portion and the first weld part and second extended from described base portion
Weld part, described first weld part welds with described photoelectric cell, and described second weld part extends described
The lower surface of plastic body, described second weld part and described welding circuit board, described photoelectric cell and institute
State the alignment of beam condensing unit in the vertical direction.
2. photo-electric conversion device as claimed in claim 1, it is characterised in that: described photo-electric conversion device
Also including the fixing terminal being arranged on plastic body, fixing terminal welds with photoelectric cell.
3. photo-electric conversion device as claimed in claim 2, it is characterised in that: described fixing terminal is provided with
The some fixing foot that fixed part and self-retaining portion extend, fixing foot welds with photoelectric cell.
4. photo-electric conversion device as claimed in claim 3, it is characterised in that: described plastic body is provided with
For housing the accepting groove of conducting terminal and housing the depressed part of fixing terminal, the bearing of trend of accepting groove with
The bearing of trend of depressed part is vertical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310144681.4A CN104122630B (en) | 2013-04-24 | 2013-04-24 | Beam condensing unit and use the photo-electric conversion device of this beam condensing unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310144681.4A CN104122630B (en) | 2013-04-24 | 2013-04-24 | Beam condensing unit and use the photo-electric conversion device of this beam condensing unit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104122630A CN104122630A (en) | 2014-10-29 |
| CN104122630B true CN104122630B (en) | 2016-08-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310144681.4A Active CN104122630B (en) | 2013-04-24 | 2013-04-24 | Beam condensing unit and use the photo-electric conversion device of this beam condensing unit |
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| Country | Link |
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| CN (1) | CN104122630B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106908910A (en) * | 2015-12-23 | 2017-06-30 | 福州高意通讯有限公司 | A kind of coupled structure of multimode fibre and photodetector |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2376094Y (en) * | 1998-02-20 | 2000-04-26 | 富士康(昆山)电脑接插件有限公司 | Electric connector |
| CN102213802A (en) * | 2010-04-07 | 2011-10-12 | 富士康(昆山)电脑接插件有限公司 | Cable connector |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000249874A (en) * | 1999-02-25 | 2000-09-14 | Nhk Spring Co Ltd | Optical transmitting/receiving module |
| CN102129102B (en) * | 2010-01-14 | 2013-02-27 | 欣兴电子股份有限公司 | Circuit substrate and manufacture method thereof |
| KR20110127522A (en) * | 2010-05-19 | 2011-11-25 | 주식회사 한택 | Optical module and fabricating method thereof |
| EP2581776A1 (en) * | 2011-10-13 | 2013-04-17 | Tyco Electronics Svenska Holdings AB | Optical connector with alignment element, optical unit and assembly method |
-
2013
- 2013-04-24 CN CN201310144681.4A patent/CN104122630B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2376094Y (en) * | 1998-02-20 | 2000-04-26 | 富士康(昆山)电脑接插件有限公司 | Electric connector |
| CN102213802A (en) * | 2010-04-07 | 2011-10-12 | 富士康(昆山)电脑接插件有限公司 | Cable connector |
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| Publication number | Publication date |
|---|---|
| CN104122630A (en) | 2014-10-29 |
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