CN104142538B - Photoelectric conversion device and optical-fiber coupling connector - Google Patents
Photoelectric conversion device and optical-fiber coupling connector Download PDFInfo
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- CN104142538B CN104142538B CN201310163796.8A CN201310163796A CN104142538B CN 104142538 B CN104142538 B CN 104142538B CN 201310163796 A CN201310163796 A CN 201310163796A CN 104142538 B CN104142538 B CN 104142538B
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- optical
- lens
- photoelectric conversion
- conversion device
- shade
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Abstract
The present invention relates to a kind of photoelectric conversion device, it includes circuit board, receives optical module, light emitting module, optical coupling lens and shade.Receive optical module and light emitting module spaced reciprocally it is fixed on circuit boards.Optical coupling lens include orthogonal first optical surface and the second optical surface, with the first optical surface and the inclined reflecting surface of the second optical surface, one-to-ones corresponding and respectively positioned at the first optical surface and the first convergent lens and the second convergent lens on the second optical surface.Optical coupling lens are fixed on circuit boards and to make the first convergent lens and emission and reception module spaced-apart alignment.Shade is fixed on circuit boards, the side where shade masking optical coupling lens and only exposed second optical surface.The invention further relates to a kind of optical-fiber coupling connector with the photoelectric conversion device.Above-mentioned photoelectric conversion device and optical-fiber coupling connector can be realized when assembling on other electronic components to circuit board using shade, optical coupling lens are played a protective role, it is to avoid the optical coupling lens are bruised.
Description
Technical field
The present invention relates to a kind of photoelectric conversion device and a kind of optical-fiber coupling connector with the photoelectric conversion device.
Background technology
Optical-fiber coupling connector generally includes photoelectric conversion device and multifiber.Wherein, the photoelectric conversion device includes
Circuit board, light emitting module, receipts optical module and optical coupling lens.The light emitting module, the receipts optical module and the optical coupling lens are equal
It is fixed on the board, the multifiber and the light emitting module and the receipts optical module are corresponded.The optical coupling lens be
Will when carrying out carrying out optical coupled between the optical coupled or optical fiber and the receipts optical module between the light emitting module and the optical fiber
Light reflects and changes 90 degree.
After the photoelectric conversion device completes, if also to set other electronic components on the circuit board, such as electric capacity,
Resistance etc., then need to install them on circuit boards using installation tool.In installation process, easily because misoperation or
Person's imprudence is damaged the optical coupling lens.
The content of the invention
In view of this, it is necessary to provide a kind of photoelectric conversion device and a kind of optical-fiber coupling connector, it can assemble it
Optical coupling lens are prevented to be bruised when on his electronic component to circuit board.
A kind of photoelectric conversion device, it includes circuit board, light emitting module, receives optical module, optical coupling lens and shade.Should
Light emitting module and the receipts optical module spaced reciprocally it is fixed on the board.The optical coupling lens include the first optical surface, with
The second vertical optical surface of first optical surface, with first optical surface and the inclined reflecting surface of second optical surface, multiple
First convergent lens and multiple second convergent lenses.The plurality of first convergent lens is arranged on first optical surface.This is more
Individual second convergent lens is arranged on second optical surface and corresponded with first convergent lens.The optical coupling lens are fixed
On the board and make the plurality of first convergent lens and the light emitting module and the receipts optical module spaced-apart alignment.The reflecting surface is used
In by the parallel rays after first convergent lens reflex to corresponding second convergent lens and will through the plurality of second assemble
Parallel rays after lens reflexes to first convergent lens.The shade is fixed on the board, and the shade covers the optocoupler
Close lens and only expose the side where second optical surface.
A kind of optical-fiber coupling connector, it includes multifiber and photoelectric conversion device as described above.Every optical fiber
Include fiber cores and coat the clad of the fiber cores.The multifiber core is aligned one by one with the plurality of second convergent lens.
Compared to prior art, optical-fiber coupling connector of the invention and photoelectric conversion device cover the light using the shade
Side where coupled lens and only exposed second optical surface, so that when assembling on other electronic components to circuit board, should
Shade is played a protective role to optical coupling lens, it is to avoid the optical coupling lens are bruised.
Brief description of the drawings
Fig. 1 is the schematic perspective view for the optical-fiber coupling connector that embodiment of the present invention is provided.
Fig. 2 is the decomposing schematic representation of the optical-fiber coupling connector in Fig. 1.
Fig. 3 is the decomposed schematic diagram of the optical-fiber coupling connector in Fig. 1.
Fig. 4 is diagrammatic cross-section of the optical-fiber coupling connector along IV-IV lines in Fig. 1.
Fig. 5 is the light path schematic diagram after amplifying at the optical-fiber coupling connector V in Fig. 4.
Fig. 6 is cut-away section enlarged diagram of the optical-fiber coupling connector along line VI -- VI in Fig. 1.
Main element symbol description
| Optical-fiber coupling connector | 100 |
| Photoelectric conversion device | 10 |
| Circuit board | 12 |
| First surface | 122 |
| Second surface | 124 |
| Light emitting module | 14 |
| Receive optical module | 16 |
| Optical coupling lens | 18 |
| Top surface | 181 |
| First face | 1812 |
| Second face | 1814 |
| Reflecting surface | 1816 |
| Top surface groove | 1810 |
| Bottom surface | 182 |
| Bottom recesses | 1820 |
| First optical surface | 1822 |
| Preceding surface | 183 |
| Breach | 1830 |
| Second optical surface | 1832 |
| Surface afterwards | 184 |
| First side | 185 |
| Second side | 186 |
| First convergent lens | 187 |
| Second convergent lens | 188 |
| Support member | 189 |
| Shade | 19 |
| Receiving space | 190 |
| Roof | 191 |
| Bottom wall | 192 |
| First opening | 1920 |
| Antetheca | 193 |
| Second opening | 1930 |
| Rear wall | 194 |
| The first side wall | 195 |
| Second sidewall | 196 |
| Optical fiber | 20 |
| Fiber cores | 22 |
| Clad | 24 |
| Host cavity | 10a |
Following embodiment will further illustrate the present invention with reference to above-mentioned accompanying drawing.
Embodiment
Embodiment of the present invention will be described in further detail below in conjunction with the accompanying drawings.
Referring to Fig. 1, the optical-fiber coupling connector 100 provided for embodiment of the present invention.The optical-fiber coupling connector 100
Including a photoelectric conversion device 10 and four optical fiber 20.
Also referring to Fig. 1 and Fig. 2, the photoelectric conversion device 10 includes circuit board 12, two light emitting modules 14, two
Individual receipts optical module 16, an optical coupling lens 18 and a shade 19.
The circuit board 12 includes a first surface 122 and a second surface 124.The first surface 122 and this second
Surface 124 is located at the opposite both sides of the circuit board 12, and the first surface 122 is parallel with the second surface 124.
Two light emitting modules 14 and this two receive optical modules 16 be installed in spaced reciprocally on the second surface 124 and with
The circuit board 12 is electrically connected with.Specifically, two light emitting modules 14 and this two receipts optical modules 16 are arranged in order into one directly
Line.In present embodiment, two light emitting modules 14 can be vertical resonance surface laser diode, and it is used to convert electrical signals to
Optical signal simultaneously sends out light.Receiving optical module 16 for this two is used to receive from outside light and converts optical signals to electricity
Signal.
Also referring to Fig. 2 to Fig. 5, the optical coupling lens 18 include top surface 181, bottom surface 182, a preceding table
Face 183, surface 184 after one, first side 185, second side 186, four the first convergent lenses 187, four
Second convergent lens 188 and a support member 189.
The top surface 181 and the bottom surface 182 are located at the opposite both sides of the optical coupling lens 18, and the top surface 181 and the bottom surface
182 is parallel.The preceding surface 183 and the rear surface 184 are located at the opposite both sides of the optical coupling lens 18, and the preceding surface 183 with
The rear surface 184 is parallel.The first side 185 and the second side 186 are located at the opposite both sides of the optical coupling lens 18.Before this
Surface 183, the rear surface 184, the first side 185 and the second side 186 vertically connect the top surface 181 and the bottom surface
182.The first side 185 obliquely connects the preceding surface 183 and the rear surface 184, and the second side 186 is obliquely connected should
Preceding surface 183 and the rear surface 184.
The top surface 181 offers the top surface groove 1810 of bar shaped.The top surface groove 1810 includes first face 1812, one
Individual second face 1814 and a reflecting surface 1816.First face 1812 be located at the top surface groove 1810 bottom and with the top surface
181 is parallel.Second face 1814 is located at the side of the top surface groove 1810 and vertical with first face 1812 and the top surface 181
Connection.The reflecting surface 1816 is located at the other side of the top surface groove 1810 and inclined with first face 1812 and the top surface 181
Tiltedly connection.
The bottom surface 182 offers the bottom recesses 1820 of cuboid.The bottom recesses 1820 include first optics
Face 1822.First optical surface 1822 is located at the bottom of the bottom recesses 1820 and put down with the top surface 181 and the bottom surface 182
OK.
The preceding surface 183 opens up jagged 1830.The breach 1830 includes second optical surface 1832.Second optics
Face 1832 is recessed with respect to the direction on the preceding surface 183 towards the rear surface 184.Second optical surface 1832 and the preceding surface 183 and
The rear surface 184 is parallel, i.e. second optical surface 1832 and the top surface 181, the bottom surface 182 and first optical surface 1822 is equal
Vertically.
This four the first convergent lenses 187 are arranged on first optical surface 1822.Specifically, this four first convergences
Lens 187 are arranged in alignment and are aligned one by one with two light emitting modules 14 and this two receipts optical modules 16.This embodiment party
In formula, this four the first convergent lenses 187 are convex lens.
This four the second convergent lenses 188 are arranged on second optical surface 1832.Specifically, this four second convergences
Lens 188 are arranged in alignment and corresponded with this four the first convergent lenses 187.In present embodiment, this four
Two convergent lenses 188 are convex lens.
The support member 189 is a rectangular box.The vertical bottom surface 182 of the support member 189 towards away from the top surface 181 side
To extension, and the support member 189 surrounds the surrounding of the bottom recesses 1820.
The shade 19 include roof 191, bottom wall 192, antetheca 193, rear wall 194, one first
Side wall 195 and a second sidewall 196.The antetheca 193, the rear wall 194, the first side wall 195 and the second sidewall 196 are equal
Vertically connect the roof 191 and the bottom wall 192, and the antetheca 193, the rear wall 194, the first side wall 195, the second sidewall
196th, the roof 191 and the bottom wall 192 surround a receiving space 190.The first side wall 195 and the second sidewall 196 are hung down
It is direct-connected to connect the antetheca 193 and the rear wall 194.The bottom wall 192 is carried on the second surface 124 and offers one first opening
1920.The antetheca 193 offers one second opening 1930.This first opening 1920 and this second opening 1930 with the collecting
Space 190 is connected.In present embodiment, the shade 19 is made up of exotic material, such as by adding fine polypropylene (PP) or pottery
Porcelain is made.
Four optical fiber 20 are corresponded with this four the second convergent lenses 188.Every optical fiber 20 includes a cylinder
The fiber cores 22 of the bodily form and the clad 24 for coating the fiber cores 22.Four fiber cores 22 and four second convergent lenses
188 are aligned one by one.
When assembling the photoelectric conversion device 10, first, two light emitting modules 14 and this two receipts optical modules 16 are installed in
On the second surface 124 of the circuit board 12.Then, the support member 189 is connected to the second of the circuit board 12 by glued mode
So that the optical coupling lens 18 are installed on the second surface 124 on surface 124.Specifically, first optical surface 1822 is with being somebody's turn to do
A host cavity 10a is formed between circuit board 12, two light emitting modules 14 and this two receive optical module 16 and are housed in the collecting
It is aligned with this four the first convergent lenses 187 in chamber 10a and one by one.Now, this four the first convergent lenses 187 are turned over turn 90 degrees after
It is aligned one by one with this four the second convergent lenses 188.Finally, the shade 19 is connected to the of the circuit board 12 by glued mode
So that the optical coupling lens 18, the light emitting module 14 and the receipts optical module 16 are housed in the receiving space 190 on two surfaces 124
It is interior and make the optical coupling lens 18 and the shade 19 not in contact with.Now, the rear wall 194 is aligned and covered the rear surface 184,
The first side wall 195 is aligned and covered the first side 185, and the second sidewall 196 is aligned and covered the second side
186, the preceding surface 183 is exposed from second opening 1930.If assemble other electronic components to circuit board 12, the shade 19
Played a protective role to being housed in the optical coupling lens 18 therein, the light emitting module 14 and the receipts optical module 16, it is to avoid should
Optical coupling lens 18, the light emitting module 14 and the receipts optical module 16 are bruised.
During work, Fig. 4 and Fig. 5 is referred to, the circuit board 12 is powered to the light emitting module 14, the light emitting module 14 is by telecommunications
Number it is converted into optical signal and sends out light L1.The light L1 that the light emitting module 14 is sent is through corresponding first convergent lens
187, which are converted to parallel rays L2, enters in the optical coupling lens 18, and subsequent parallel rays L2 is by the reflection of reflecting surface 1816
Into parallel rays L3, last parallel rays L3 is assembled to form convergence light L4 into corresponding optical fiber by the second convergent lens 188
In core 22.
Correspondingly, referring to Fig. 6, the light from optical fiber 20 after second convergent lens 188 with the shape of parallel rays
State enters in the optical coupling lens 18, then is reflected 90 degree of change and assembled by first convergent lens 187 by the reflecting surface 1816
Into corresponding receipts optical module 16.The receipts optical module 16 converts optical signals to electric signal and handled with transmitting to rear end.
Optical-fiber coupling connector 100 and photoelectric conversion device 10 in present embodiment utilize the rear wall of the shade 19
194 are aligned and covered the rear surface 184, and the first side wall 195 is aligned and covered the first side 185, the second sidewall
196 are aligned and covered the second side 186, and the preceding surface 183 is exposed from second opening 1930, so as to assemble other
When on electronic component to circuit board 12,19 pairs of the shade is housed in the optical coupling lens 18 therein, the light emitting module 14 and is somebody's turn to do
Receive optical module 16 to play a protective role, it is to avoid the optical coupling lens 18, the light emitting module 14 and the receipts optical module 16 are bruised.
In addition, when if using SMT processing procedures, these electronic components are assembled on circuit board 12, the commonly required temperature of SMT processing procedures is higher,
Required time is also longer, because the shade 19 is by adding the exotic materials such as fine polypropylene (PP) or ceramics to be made, then the shade
19 are not only avoided that the optical coupling lens 18, the light emitting module 14 and the receipts optical module 16 are damaged caused by mechanical collision, also
Damage caused by high temperature can be avoided.Certainly, in other embodiments, other materials also may be selected in the shade 19, need to only expire
Foot can bear the operating temperature in SMT processing procedures.
It is understood that for the person of ordinary skill of the art, can be done with technique according to the invention design
Go out other various corresponding changes and deformation, and all these changes and deformation should all belong to the protection model of the claims in the present invention
Enclose.
Claims (9)
1. a kind of photoelectric conversion device, it includes circuit board, light emitting module, receives optical module and optical coupling lens, the luminous mould
Block and the receipts optical module spaced reciprocally it is fixed on the board, the optical coupling lens include the first optical surface, with this first
The second vertical optical surface of optical surface and first optical surface and the inclined reflecting surface of second optical surface, multiple first meetings
Poly- lens and multiple second convergent lenses, the plurality of first convergent lens are arranged on first optical surface, and the plurality of second
Convergent lens is arranged on second optical surface and corresponded with first convergent lens, and the optical coupling lens are installed in the electricity
On the plate of road and make the plurality of first convergent lens and the light emitting module and the receipts optical module spaced-apart alignment, the reflecting surface is used for will be through
Parallel rays after first convergent lens reflexes to corresponding second convergent lens and will be flat after second convergent lens
Row light reflexes to corresponding first convergent lens, it is characterised in that the photoelectric conversion device also includes shade, and the shade is fixed
On the board, the shade covers the optical coupling lens and only exposes the side where second optical surface.
2. photoelectric conversion device as claimed in claim 1, it is characterised in that the shade is by adding fine polypropylene or ceramics to make
Into.
3. photoelectric conversion device as claimed in claim 1, it is characterised in that the optical coupling lens include top surface and the top surface
Parallel opposite bottom surface, preceding surface, parallel with the preceding surface opposite rear surface, first side and second side, the preceding surface,
The rear surface, the first side and the second side vertically connect the top surface and the bottom surface, and the first side is obliquely connected
The preceding surface and the rear surface, the second side obliquely connect the preceding surface and the rear surface and relative with the first side,
Open up jagged on the preceding surface, the bottom surface of the breach is second optical surface, and the shade covers the top surface, the rear surface, is somebody's turn to do
First side and the second side and the exposure preceding surface.
4. photoelectric conversion device as claimed in claim 3, it is characterised in that the shade includes roof, phase parallel with the roof
The bottom wall of the back of the body, antetheca, opposite rear wall parallel with the antetheca, the first side wall, opposite second sidewall parallel with the first side wall
And receiving space, the antetheca, the rear wall, the first side wall and the second sidewall vertically connect the roof and the bottom wall, are somebody's turn to do
The first side wall and the second sidewall vertically connect the antetheca and the rear wall, and bottom wall carrying on the board and offers the
One opening, the antetheca offers the second opening, and first opening and second opening are connected with the receiving space, the optical coupling
Lens, the light emitting module and the receipts optical module are housed in the receiving space, and the rear surface is relative with the rear wall, first side
Face is relative with the first side wall, and the second side is relative with the second sidewall, and the preceding surface is exposed from second opening.
5. photoelectric conversion device as claimed in claim 4, it is characterised in that the top surface offers the top surface groove of bar shaped, should
Top surface groove includes first face parallel with the top surface, vertical the second face for connecting first face and the top surface and tilts connection
First face and the reflecting surface of the top surface, the bottom surface offer the bottom recesses of cuboid, and the bottom recesses include being located at
First optical surface of bottom, first optical surface is parallel with the top surface and the bottom surface.
6. photoelectric conversion device as claimed in claim 5, it is characterised in that extended vertically support member on the bottom surface, the branch
Support member surrounds the bottom recesses, and the support member is glued on the board with the formation between first optical surface and the circuit board
Host cavity, the light emitting module and the receipts optical module are housed in the host cavity.
7. photoelectric conversion device as claimed in claim 6, it is characterised in that the reflecting surface tilts 45 with respect to first optical surface
Degree, the reflecting surface tilts 45 degree with respect to second optical surface.
8. photoelectric conversion device as claimed in claim 6, it is characterised in that the plurality of first convergent lens is arranged in one directly
Line, the plurality of second convergent lens arrangement is in alignment, and the plurality of first convergent lens and the plurality of second convergent lens are equal
For convex lens.
9. a kind of optical-fiber coupling connector, it includes multifiber and the opto-electronic conversion as described in any one of claim 1 to 8
Device, every optical fiber includes fiber cores and coats the clad of the fiber cores, and the multifiber core is assembled with the plurality of second
Lens are aligned one by one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310163796.8A CN104142538B (en) | 2013-05-07 | 2013-05-07 | Photoelectric conversion device and optical-fiber coupling connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310163796.8A CN104142538B (en) | 2013-05-07 | 2013-05-07 | Photoelectric conversion device and optical-fiber coupling connector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104142538A CN104142538A (en) | 2014-11-12 |
| CN104142538B true CN104142538B (en) | 2017-08-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310163796.8A Expired - Fee Related CN104142538B (en) | 2013-05-07 | 2013-05-07 | Photoelectric conversion device and optical-fiber coupling connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104142538B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3765881A4 (en) | 2018-03-13 | 2021-10-27 | LEONI Kabel GmbH | Adapter |
| JP7279338B2 (en) * | 2018-10-31 | 2023-05-23 | 日本電気株式会社 | Optical module and method for manufacturing optical module |
| CN113009650B (en) * | 2019-12-20 | 2022-05-17 | 青岛海信宽带多媒体技术有限公司 | Optical module |
| CN112230350B (en) * | 2020-10-23 | 2022-04-19 | 青岛海信宽带多媒体技术有限公司 | Optical module |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1577874A (en) * | 2003-07-17 | 2005-02-09 | 松下电器产业株式会社 | Optical component and manufacture method of the same |
| JP2005070162A (en) * | 2003-08-20 | 2005-03-17 | Matsushita Electric Ind Co Ltd | Bidirectional optical module, device for bidirectional optical communication by using the module, and bidirectional optical transmission system |
| CN103076658A (en) * | 2011-10-25 | 2013-05-01 | 富士康(昆山)电脑接插件有限公司 | Photoelectric connector assembly |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100439088B1 (en) * | 2001-09-14 | 2004-07-05 | 한국과학기술원 | Optical coupling module with self-aligned etched grooves and method for fabricating the same |
| US8469610B2 (en) * | 2011-01-18 | 2013-06-25 | Avago Technologies General Ip (Singapore) Pte. Ltd. | Optical connection system with plug having optical turn |
-
2013
- 2013-05-07 CN CN201310163796.8A patent/CN104142538B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1577874A (en) * | 2003-07-17 | 2005-02-09 | 松下电器产业株式会社 | Optical component and manufacture method of the same |
| JP2005070162A (en) * | 2003-08-20 | 2005-03-17 | Matsushita Electric Ind Co Ltd | Bidirectional optical module, device for bidirectional optical communication by using the module, and bidirectional optical transmission system |
| CN103076658A (en) * | 2011-10-25 | 2013-05-01 | 富士康(昆山)电脑接插件有限公司 | Photoelectric connector assembly |
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| Publication number | Publication date |
|---|---|
| CN104142538A (en) | 2014-11-12 |
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