CN102116907A - Photoelectric connector and combination thereof - Google Patents
Photoelectric connector and combination thereof Download PDFInfo
- Publication number
- CN102116907A CN102116907A CN2009103126570A CN200910312657A CN102116907A CN 102116907 A CN102116907 A CN 102116907A CN 2009103126570 A CN2009103126570 A CN 2009103126570A CN 200910312657 A CN200910312657 A CN 200910312657A CN 102116907 A CN102116907 A CN 102116907A
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- Prior art keywords
- lens module
- lens
- opto
- electric connector
- rear end
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Abstract
The invention discloses a photoelectric connector. The photoelectric connector comprises a fixed seat (1), a conductive terminal (2) and a first lens module and a second lens module. The fixed seat is provided with an accommodating chamber (101) penetrating forwards; the first lens module (31) is accommodated inside the accommodating chamber; the front end surface of the first lens module is provided with an optical fiber receiving area, and the corresponding rear end surface of the first lens module is provided with a convex first lens part; the second lens module (32) is positioned at the rear end of the first lens module; the front end surface and the rear end surface of the second lens module are provided with the convex first lens part and a convex second lens part respectively; and the first lens part (320) of the second lens module is coupled with the first lens part of the first lens module, and the second lens part (324) ) of the second lens module corresponds to the first lens part of the second lens module. The second lens module can be coupled with an optical waveguide groove of a circuit board, so that an optical fiber and an optical fiber plug of the prior art can be saved.
Description
[technical field]
The present invention relates to a kind of opto-electric connector and combination thereof, but its transmission of electric signals and light signal.
[background technology]
In the existing signal transmission system, utilize cable to finish the signal transmission and be used widely.Utilize also more and more widely application of optical fiber transmission signal.Because of there is more advantage in Optical Fiber Transmission, more in the industry company is all in the development Optical Fiber Transmission, the Light Peak Technology that announces on its website such as Intel Company is exactly the case of developing at present, the rear end of this connector is connected with an optical fiber, and signal then sends another components and parts to by this optical fiber.Also nearly step research on the basis of this connector of our company, hope is designed and is more suitable for a large amount of the manufacturing and cost-effective connector construction.Under some application scenario, on the circuit board or the space that provides in the electronic equipment is less, is applicable to that more the connector combination of small occupied space also is the direction that the deviser considers.
[summary of the invention]
The object of the present invention is to provide a kind of cost-effective opto-electric connector.
For achieving the above object, the present invention can adopt following technical scheme: a kind of opto-electric connector, and it comprises holder, conducting terminal and first, second lens module; This holder is formed with the host cavity that runs through forward, and this conducting terminal is positioned at holder and comprises the contact site that extends into host cavity; This first lens module is housed in the host cavity, and the front end face of this first lens module is provided with the optical fiber reception area, and corresponding rear end face is provided with first lens section that is projection; This second lens module is positioned at the rear end of first lens module, and the front end face of this second lens module and rear end face are respectively equipped with first lens section and second lens section that is projection; Be coupled first lens section of first lens module of first lens section of this second lens module, first lens section of corresponding second lens module of second lens section of second lens module.
For achieving the above object, the present invention also can adopt following another technical scheme: a kind of opto-electric connector combination, and it comprises circuit board and opto-electric connector, circuit board is provided with a breach and is embedded in its interior light wave guide groove; Opto-electric connector is assembled in the breach of circuit board, this opto-electric connector comprises holder, is arranged at the conducting terminal of holder, first lens module and second lens module, the first lens module front end face is provided with the optical fiber reception area, and corresponding rear end face is provided with first lens section that is projection; Second lens module is positioned at the rear end of first lens module and is coupled in first lens module; The rear end face of this second lens module is provided with second lens section that is projection, and second lens section of this second lens module is coupled in the light wave guide groove of circuit board.
Compared to prior art, second lens module of the present invention can be realized the light wave guide groove coupling with circuit board, can give up the optical fiber and the Optical fiber plug of prior art.
[description of drawings]
Fig. 1 is the stereographic map that opto-electric connector of the present invention is installed on circuit board;
Fig. 2 is the three-dimensional exploded view of the subelement of opto-electric connector;
Fig. 3 is the three-dimensional exploded view of the subelement of opto-electric connector;
Fig. 4 is the stereographic map of the subelement of opto-electric connector;
Fig. 5 is the stereographic map of second lens module of opto-electric connector;
Fig. 6 is the three-dimensional exploded view of opto-electric connector of the present invention and circuit board;
Fig. 7 is the stereographic map of another angle of Fig. 1;
Fig. 8 is the stereographic map of circuit board;
Fig. 9 is a circuit board and the figure that cooperates of second lens module; And
Figure 10 is the synoptic diagram of optical signal transmission of the present invention.
[embodiment]
Describe the present invention in detail below in conjunction with drawing.
Ginseng Fig. 1, invention is a kind of opto-electric connector 100 that is installed on the circuit board 200, this opto-electric connector comprises insulation holder 1, is installed on conducting terminal 2 and lens module 3 on the holder, and surrounds said elements to form the metal shielding casing 4 of a host cavity 101.This opto-electric connector 100 is installed in the breach of circuit board 200, and promptly this connector is a depositing plate type.To describe the concrete structure of this connector below in detail.
Ginseng Fig. 2～4, the holder 1 of opto-electric connector 100 comprises a hyoplastron 11 that extends forward, hyoplastron is provided with plurality of terminals groove (not label), 4 conducting terminals 2 that meet the usb signal transmission architecture are housed in this terminal groove (drawing only shows 2), the elastic contact part 211 of conducting terminal exposes the lower surface of hyoplastron and is positioned at host cavity 101, the both sides of the terminal groove of holder are provided with projection 111, and 2 of conducting terminals are between two projections 111.The front end of first lens module 31 is provided with the elongated hole 311 of extending forward for the optical fiber insertion of butt connector or external component, this elongated hole that is optical fiber reception area, one guide posts 312 is positioned in the middle of the two optical fiber reception areas, and the rear end of first lens module 31 is provided with first lens section 314 of the rounded projection corresponding with the optical fiber reception area and is positioned at the corresponding guide hole of first lens section 315.The front end face 320 of second lens module 32 is provided with first lens section 321 of rounded projection and is positioned at two guide posts 322 in first lens section outside.This projection also can be aspheric shape.
The recline lower surface of hyoplastron 11 of first lens module 31, the front that it is positioned at the rear of conducting terminal contact site 211 and is positioned at projection 111,32 back that are positioned at projection 111 of second lens module.The guide posts 322 of second lens module is inserted the guide hole 315 of first lens module, first lens section 314 of 321 couplings of its first lens section, first lens module 31.Ginseng Fig. 5, the two ends one of second lens module 32 is extended with location division 325.The bottom surface of this location division is extended with reference column 326 downwards, and the bottom surface of this reference column is roughly concordant with the bottom surface of second lens module 31.The end that the end face of location division 325 is provided with two depressions, 327, two springs 33 is housed in respectively in this depression 327.The other end of spring then is resisted against the lower surface (Fig. 2 is clear to be shown) of holder, allows second lens module 32 on above-below direction certain displacement space can be arranged.The rear end face 323 of second lens module 32 also is provided with second lens section 324 of the rounded projection corresponding with first lens section 321 of its front end face.Each lens section is provided with two pairs of projectioies respectively.
Ginseng Fig. 1 and Fig. 6, shielding casing 4 is a rectangle, it surrounds holder 1, wherein the back edge of the diapire 41 of shielding casing is bent with two stators 42, on the shallow depression 328 (ginseng Fig. 5) that this stator 42 is provided with against second lens module, 32 rear end faces just, thereby will stablize fixing second lens module 32 on holder 1.In conjunction with Fig. 7,325 two sides of extending shielding casing, the location division of second lens module, shielding casing is provided with two pins 43 that are positioned at the reference column back, and location division 325 and pin are fixed in this connector on the circuit board 200 jointly.Be exposed to the rear end of this connector 324 backward-facings of second lens section on second lens module, 32 rear end faces.This opto-electric connector 100 is to be installed in the breach 201 of circuit board 200, and pin 43 and reference column 326 insert the through hole 202,203 that is positioned at gap edge respectively, and 325 of location divisions are seated on the edge of breach.So, this opto-electric connector is positioned at circuit board, can reduce its height above circuit board.
Ginseng Fig. 6 and Fig. 7 are embedded with some light wave guide grooves 204 in the circuit board 200, its back edge 205 places at breach 201 are formed with light receiving area/light launch site.324 of second lens sections of second lens module coupling this light receiving area/light launch site, thus the transmission of signal finished.Figure 10 has shown optically-coupled wiring diagram of the present invention, light signal comes out from central processing unit or other components and parts, be transmitted to second lens section 324 of second lens module by the light wave guide groove 204 on the circuit board, light signal emits first lens section 314 to first lens module 31 by reflecting the back from first lens section 321 of second lens, be transferred to butt connector or outside optical fiber a at last, thereby finish the signal transmission.Light signal of the present invention also can reversely transmit, and light signal is passed to second lens module 32 from external fiber by first lens module 31, is transmitted to circuit board from second lens module again.The lens section that is projection of lens module can be done light receiving area, also can do the light launch site.On fore-and-aft direction, align respectively first lens section 321 of second lens module of second lens section 324 of second lens module 32 of the present invention, promptly second lens module has light receiving area and light echo area simultaneously, the light wave guide groove on the circuit board can be directly signal passed to, existing optical fiber and Optical fiber plug can be given up.
Claims (10)
1. opto-electric connector, it comprises holder, conducting terminal, first lens module and second lens module; This holder is formed with the host cavity that runs through forward, and this conducting terminal is positioned at holder and comprises the contact site that extends into host cavity; This first lens module is housed in the host cavity, and the front end face of this first lens module is provided with the optical fiber reception area, and corresponding rear end face is provided with first lens section that is projection; This second lens module is positioned at the rear end of first lens module; It is characterized in that: the front end face of this second lens module and rear end face are respectively equipped with first lens section and second lens section that is projection, be coupled first lens section of first lens module of first lens section of this second lens module, second lens section of second lens module is first lens section of corresponding second lens module respectively.
2. opto-electric connector as claimed in claim 1 is characterized in that: align respectively on fore-and-aft direction first lens section of second lens module of second lens section of second lens module.
3. opto-electric connector as claimed in claim 2, it is characterized in that: this opto-electric connector comprises that one surrounds the shielding casing in holder and first, second lens module outside, and this shielding casing is extended with a stator of keeping out on the rear end face of second lens module.
4. opto-electric connector as claimed in claim 3 is characterized in that: be provided with spring between second lens module and the holder, this spring allows second lens module that certain displacement is arranged on the above-below direction perpendicular to fore-and-aft direction.
5. opto-electric connector as claimed in claim 4 is characterized in that: the both sides of second lens module are extended with fixed part respectively, and the end face of fixed part is provided with the depression of accommodating spring one end, and the lower surface of fixed part is extended with reference column.
6. opto-electric connector as claimed in claim 5 is characterized in that: each lens section is provided with two pairs of projectioies respectively.
7. opto-electric connector as claimed in claim 6, it is characterized in that: holder is provided with the projection between conducting terminal, and first lens module is positioned at the front of projection, and second lens module then is positioned at the back of projection.
8. opto-electric connector as claimed in claim 7, it is characterized in that: conducting terminal is provided with pin, and these pins are positioned at the rear end of second lens module and extend downwards.
9. opto-electric connector combination, it comprises circuit board and opto-electric connector, circuit board is provided with a breach and is embedded in its interior light wave guide groove; Opto-electric connector is assembled in the breach of circuit board, this opto-electric connector comprises holder, is arranged at the conducting terminal of holder, first lens module and second lens module, the first lens module front end face is provided with the optical fiber reception area, and corresponding rear end face is provided with first lens section that is projection; Second lens module is positioned at the rear end of first lens module and is coupled in first lens module; It is characterized in that: the rear end face of this second lens module is provided with second lens section that is projection, and second lens section of this second lens module is coupled in the light wave guide groove of circuit board.
10. opto-electric connector combination as claimed in claim 9, it is characterized in that: be provided with spring between location division and the holder, this spring allows second lens module that certain displacement is arranged on circuit board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910312657 CN102116907B (en) | 2009-12-30 | 2009-12-30 | Photoelectric connector and combination thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910312657 CN102116907B (en) | 2009-12-30 | 2009-12-30 | Photoelectric connector and combination thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102116907A true CN102116907A (en) | 2011-07-06 |
| CN102116907B CN102116907B (en) | 2013-03-13 |
Family
ID=44215757
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200910312657 Active CN102116907B (en) | 2009-12-30 | 2009-12-30 | Photoelectric connector and combination thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102116907B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105142343A (en) * | 2015-08-31 | 2015-12-09 | 中航光电科技股份有限公司 | Printed board assembly and connector locking device |
| CN107211532A (en) * | 2015-03-31 | 2017-09-26 | 惠普发展公司，有限责任合伙企业 | Printed circuit board (PCB) |
| CN109085678A (en) * | 2017-06-13 | 2018-12-25 | 扇港元器件有限公司 | Fiber stub adapter and lock pin removing tool and shell |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0781423B1 (en) * | 1994-09-15 | 2000-11-29 | Robert Bosch Gmbh | Laser connector module |
| US20030152326A1 (en) * | 2001-10-15 | 2003-08-14 | Masahito Morimoto | Functional optical module |
| CN101122658A (en) * | 2006-08-08 | 2008-02-13 | 富士通电子零件有限公司 | Optical connector |
| CN101221268A (en) * | 2006-10-19 | 2008-07-16 | 安华高科技光纤Ip（新加坡）私人有限公司 | Transceiver module for optical communications and method for transmitting and receiving data |
-
2009
- 2009-12-30 CN CN 200910312657 patent/CN102116907B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0781423B1 (en) * | 1994-09-15 | 2000-11-29 | Robert Bosch Gmbh | Laser connector module |
| US20030152326A1 (en) * | 2001-10-15 | 2003-08-14 | Masahito Morimoto | Functional optical module |
| CN101122658A (en) * | 2006-08-08 | 2008-02-13 | 富士通电子零件有限公司 | Optical connector |
| CN101221268A (en) * | 2006-10-19 | 2008-07-16 | 安华高科技光纤Ip（新加坡）私人有限公司 | Transceiver module for optical communications and method for transmitting and receiving data |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107211532A (en) * | 2015-03-31 | 2017-09-26 | 惠普发展公司，有限责任合伙企业 | Printed circuit board (PCB) |
| US10296119B2 (en) | 2015-03-31 | 2019-05-21 | Hewlett-Packard Development Company, L.P. | Printed circuit board |
| CN107211532B (en) * | 2015-03-31 | 2019-06-28 | 惠普发展公司，有限责任合伙企业 | Printed circuit board |
| CN105142343A (en) * | 2015-08-31 | 2015-12-09 | 中航光电科技股份有限公司 | Printed board assembly and connector locking device |
| CN105142343B (en) * | 2015-08-31 | 2017-09-22 | 中航光电科技股份有限公司 | Printed board assembly and its connector locking device |
| CN109085678A (en) * | 2017-06-13 | 2018-12-25 | 扇港元器件有限公司 | Fiber stub adapter and lock pin removing tool and shell |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102116907B (en) | 2013-03-13 |
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