CN104020538B - Photoelectric coupling lens combination - Google Patents
Photoelectric coupling lens combination Download PDFInfo
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- CN104020538B CN104020538B CN201410240364.7A CN201410240364A CN104020538B CN 104020538 B CN104020538 B CN 104020538B CN 201410240364 A CN201410240364 A CN 201410240364A CN 104020538 B CN104020538 B CN 104020538B
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Abstract
A kind of photoelectric coupling lens combination, comprises Hexamermis spp lens subassembly and multicore plastics lock pin; Hexamermis spp lens subassembly comprises main casing, end lenses and bottom surface lens; Six end lenses respectively with six bottom surface lens through 45 degree of reflection couplings, form six groups of lens passages; Multicore plastics lock pin offers six fiber orientation holes for up-winding fiber, multicore plastics lock pin is removably connected on Hexamermis spp lens subassembly, and six fiber orientation holes align with six end lenses respectively; Wherein, in six groups of lens passages, the spacing of middle four lens interchannel adjacent lens passages is 250 μm, and what the lens passage of both sides was adjacent lens passage is spaced apart 500 μm; In six fiber orientation holes, between middle four fiber orientation holes, the spacing of adjacent fiber pilot hole is 250 μm, and what the fiber orientation hole of both sides was adjacent fiber orientation hole is spaced apart 500 μm.Above-mentioned photoelectric coupling lens combination has highly versatile and the lower feature of cost of manufacture.
Description
Technical field
The present invention relates to information photoelectric technology, particularly relate to a kind of photoelectric coupling lens combination.
Background technology
. along with high speed information, the development of large datumization, for data, the light network module of the purposes such as image transmitting gets a lot of applications.And the photoelectric coupling of light network module is integrated, miniaturization and hyperchannel encapsulation technology use plastic lens to be coupled mostly.
The optically-coupled mode of traditional lens combination roughly has two kinds: the first is hyperchannel plastic lens docking standard MPO (Multi-fiberPushOn) lock pin.Although this method for making realizes easy, applicability is wide, but its lens combination volume is larger, be difficult to general all kinds of light network module, such as all cannot realize general on the products such as USB, HDMIAOC, and the Mold Making of MPO lock pin is complicated, precision is high, only has fewer companies to make, causes production cost higher.
Summary of the invention
Based on this, be necessary to provide a kind of highly versatile and the lower photoelectric coupling lens combination of cost of manufacture.
A kind of photoelectric coupling lens combination, comprising:
Hexamermis spp lens subassembly, comprising:
Main casing, be cuboid structure, accepting groove is offered in the bottom of described main casing;
End lenses is six, and six described end lenses are arranged side by side on an end face of described main casing; And
Bottom surface lens are six, and six described bottom surface lens are arranged side by side the bottom land in described accepting groove, six described end lenses respectively with six described bottom surface lens through 45 degree of reflection couplings, form six groups of lens passages; And
Multicore plastics lock pin, it offers six fiber orientation holes for up-winding fiber, and described multicore plastics lock pin is removably connected on described Hexamermis spp lens subassembly, and six described fiber orientation holes align with six described end lenses respectively;
Wherein, in lens passage described in six groups, the spacing of middle four described lens interchannel adjacent lens passages is 250 μm, and what the lens passage of both sides was adjacent lens passage is spaced apart 500 μm; In six described fiber orientation holes, between middle four described fiber orientation holes, the spacing of adjacent fiber pilot hole is 250 μm, and what the fiber orientation hole of both sides was adjacent fiber orientation hole is spaced apart 500 μm.
Wherein in an embodiment, described Hexamermis spp lens subassembly also comprises guidepost, described guidepost is vertically connected at described main casing and is provided with on the end face of end lenses, described multicore plastics lock pin offers pilot hole, when described multicore plastics lock pin is connected on described Hexamermis spp lens subassembly, described guidepost wears described pilot hole.
Wherein in an embodiment, described guidepost is two, and described pilot hole is also two.
Wherein in an embodiment, described Hexamermis spp lens subassembly also comprises two linking arms, and two described linking arms are vertically connected at described main casing and are provided with on the end face of end lenses, described linking arm offer button bit groove;
The two sides of described multicore plastics lock pin are equipped with button bit portion, and the button bit portion on the two sides of described multicore plastics lock pin and the described button bit groove on two linking arms fasten, and are connected with described multicore plastics lock pin to make described Hexamermis spp lens subassembly.
Wherein in an embodiment, the cross section in described button bit portion is the buckle of wedge shape.
Wherein in an embodiment, the both sides of described multicore plastics lock pin are also provided with protuberance, and two described protuberances offset with two described linking arms respectively.
Wherein in an embodiment, described multicore plastics lock pin offers U-type groove, and described fiber orientation hole and described U-type groove are conducted.
Wherein in an embodiment, the bottom land of described U-type groove is also provided with stage portion, described stage portion offers the locating slot of six strips, described fiber orientation hole is conducted six described locating slots with six respectively, the cell wall of described locating slot and the hole wall smooth connection in described fiber orientation hole.
Wherein in an embodiment, described locating slot is cross section is semicircular groove, and the radius of described locating slot is greater than the radius in described fiber orientation hole.
Wherein in an embodiment, the hole depth in described fiber orientation hole is 0.3 ~ 0.5mm.
Above-mentioned photoelectric coupling lens combination, in lens passage described in its six groups, the spacing of middle four described lens interchannel adjacent lens passages is 250 μm, what the lens passage of both sides was adjacent lens passage is spaced apart 500 μm, make its single vertical cavity surface emitting laser that can be applicable to 2 passage ~ 4 passages or PD chip layout mode, also can be applicable to vertical cavity surface emitting laser and the PD chip layout mode of four-way standard array spacing simultaneously, versatility is comparatively strong, is applicable to the light network module of two-way transmitting-receiving or the transmitting-receiving transmission of four tunnels.And above-mentioned photoelectric coupling lens group structure is comparatively simple, make easily, production cost is lower.
Accompanying drawing explanation
Fig. 1 is the structural drawing of photoelectric coupling lens combination in present pre-ferred embodiments;
Fig. 2 is the concrete structure figure of Hexamermis spp lens subassembly in the lens combination of photoelectric coupling shown in Fig. 1;
Fig. 3 is the concrete structure figure of another angle of Hexamermis spp lens subassembly in the lens combination of photoelectric coupling shown in Fig. 1;
Fig. 4 is the concrete structure figure of multicore plastics lock pin in the lens combination of photoelectric coupling shown in Fig. 1.
Embodiment
For the ease of understanding the present invention, below with reference to relevant drawings, the present invention is described more fully.Better embodiment of the present invention is given in accompanying drawing.But the present invention can realize in many different forms, is not limited to embodiment described herein.On the contrary, provide the object of these embodiments be make to disclosure of the present invention understand more thorough comprehensively.
It should be noted that, when element is called as " being fixed on " another element, directly can there is element placed in the middle in it on another element or also.When an element is considered to " connection " another element, it can be directly connected to another element or may there is centering elements simultaneously.Term as used herein " vertical ", " level ", "left", "right" and similar statement just for illustrative purposes, do not represent it is unique embodiment.
Unless otherwise defined, all technology used herein and scientific terminology are identical with belonging to the implication that those skilled in the art of the present invention understand usually.The object of term used in the description of the invention herein just in order to describe concrete embodiment, is not intended to be restriction the present invention.Term as used herein " and/or " comprise arbitrary and all combinations of one or more relevant Listed Items.
Refer to Fig. 1, the photoelectric coupling lens combination 10 in present pre-ferred embodiments, comprise Hexamermis spp lens subassembly 100 and multicore plastics lock pin 200.Multicore plastics lock pin 200 is for fixed fiber 300, and multicore plastics lock pin 200 and Hexamermis spp lens subassembly 100 removably connect, and communicates to connect to make optical fiber 300 and Hexamermis spp lens subassembly 100, with communicating optical signals.
Hexamermis spp lens subassembly 100 adopts plastic package process shaping.See also Fig. 2 and Fig. 3, Hexamermis spp lens subassembly 100 comprises main casing 110, end lenses 130a and bottom surface lens 130b.
Main casing 110 is cuboid structure.Accepting groove 112 is offered in the bottom of main casing 110, accepting groove 112 is used for accommodating vertical cavity surface emitting laser (VerticalCavitySurfaceEmittingLaser, and PD (PhotoDiode, photodiode) chip 400 VCSEL).
End lenses 130a is six, and six end lenses 130a are arranged side by side on an end face of main casing 110.
Bottom surface lens 130b is also six, and six bottom surface lens 130b are arranged side by side the bottom land in accepting groove 112.Six end lenses 130a form six groups of lens passages 130 with six bottom surface lens 130b through 45 degree of reflection couplings respectively.Light signal is passed to PD chip 400 through six groups of lens passages 130, and by PD chip 400, light signal is converted into electric signal.
Specifically in the present embodiment, Hexamermis spp lens subassembly 100 also comprises guidepost 150 and linking arm 170.Guidepost 150 is vertically connected at main casing 110 and is provided with on the end face of end lenses 130a.Guidepost 150 can be two, and two guideposts 150 are arranged at the both sides of end lenses 130a respectively.
Linking arm 170 is two.Two linking arms 170 are vertically connected at main casing 110 and are provided with on the end face of end lenses 130a, linking arm 170 offer button bit groove 172.
See also Fig. 4, multicore plastics lock pin 200 offers six fiber orientation holes 210 for up-winding fiber 300.Multicore plastics lock pin 200 is removably connected on Hexamermis spp lens subassembly 100, and six fiber orientation holes 210 align with six end lenses 130a respectively.
Wherein, in six groups of lens passages 130, the spacing of middle four lens passages 130 adjacent lens passages 130 is 250 μm, and what the lens passage 130 of both sides was adjacent lens passage 130 is spaced apart 500 μm; In six fiber orientation holes 210, the spacing of 210 the adjacent fiber pilot holes 210 in middle four fiber orientation holes is 250 μm, and what the fiber orientation hole 210 of both sides was adjacent fiber orientation hole 210 is spaced apart 500 μm.
Above-mentioned photoelectric coupling lens combination 10, in its six groups of lens passages 130, the spacing of middle four lens passages 130 adjacent lens passages 130 is 250 μm, what the lens passage 130 of both sides was adjacent lens passage 130 is spaced apart 500 μm, make its single vertical cavity surface emitting laser that can be applicable to 2 passage ~ 4 passages or PD chip 400 arrangement, also can be applicable to vertical cavity surface emitting laser and PD chip 400 arrangement of four-way standard array spacing simultaneously, versatility is comparatively strong, is applicable to the light network module of two-way transmitting-receiving or the transmitting-receiving transmission of four tunnels.And above-mentioned photoelectric coupling lens combination 10 structure is comparatively simple, make easily, production cost is lower.
Specifically in the present embodiment, multicore plastics lock pin 200 offers pilot hole 230.When multicore plastics lock pin 200 is connected on Hexamermis spp lens subassembly 100, guidepost 150 wears pilot hole 230.Guidepost 150 enters in pilot hole 230, can effectively lead to the connection between multicore plastics lock pin 200 and Hexamermis spp lens subassembly 100, can accurately dock.Concrete, the quantity of pilot hole 230 is corresponding with guidepost 150, is also two.
The two sides of multicore plastics lock pin 200 are equipped with button bit portion 250.Button bit portion 250 on the two sides of multicore plastics lock pin 200 and the button bit groove 172 on two linking arms 170 fasten, and are connected with multicore plastics lock pin 200 to make Hexamermis spp lens subassembly 100.Concrete, the cross section in button bit portion 250 is the buckle of wedge shape.
Be appreciated that and also removably connect by alternate manners such as securing member (not shown) between multicore plastics lock pin 200 and Hexamermis spp lens subassembly 100, now linking arm 170 and button bit portion 250 all can save.
The both sides of multicore plastics lock pin 200 are also provided with protuberance 270, and two protuberances 270 offset with two linking arms 170, to play position-limiting action respectively.
The hole depth in fiber orientation hole 210 is 0.3 ~ 0.5mm.In traditional lock pin, the length of the pilot hole of its optical fiber is generally 1 ~ 3mm.Due in traditional manufacture craft, optical fiber can only adopt laser cutting parameter with high costs; And in above-mentioned photoelectric coupling lens combination 10, the hole depth in fiber orientation hole 210 is 0.3 ~ 0.5mm, with the amount of grinding demand making its hole depth both meet optical fiber 300, the positioning precision of optical fiber 300 can be ensured again, the difficulty of Mold Making can also be made to reduce, ensure that the precision of processing, and be conducive to hole circle degree and linearity.
Multicore plastics lock pin 200 offers U-type groove 290, and fiber orientation hole 210 and U-type groove 290 are conducted.The bottom land of U-type groove 290 is also provided with stage portion 292, stage portion 292 offers the locating slot 292a of six strips.Six locating slot 292a are conducted with six fiber orientation holes 210 respectively, the cell wall of locating slot 292a and the hole wall smooth connection in fiber orientation hole 210.
Locating slot 292a is cross section is semicircular groove.Locating slot 292a fiber orientation hole 210 is conducted, and facilitates the location of optical fiber 300.Concrete, the radius of locating slot 292a is greater than the radius in fiber orientation hole 210, and, multicore plastics lock pin 200 offers U-type groove 290, more easy to make wearing optical fiber 300, and conveniently a glue is carried out to optical fiber 300.
Above-mentioned photoelectric coupling lens combination 10, compared with traditional photoelectric coupling lens combination 10, at least possesses following advantage:
First, above-mentioned photoelectric coupling lens combination 10, in its six groups of lens passages 130, the spacing of middle four lens passages 130 adjacent lens passages 130 is 250 μm, what the lens passage 130 of both sides was adjacent lens passage 130 is spaced apart 500 μm, make its single vertical cavity surface emitting laser that can be applicable to 2 passage ~ 4 passages or PD chip 400 arrangement, also can be applicable to vertical cavity surface emitting laser and PD chip 400 arrangement of four-way standard array spacing simultaneously, versatility is stronger, be applicable to the light network module of two-way transmitting-receiving or the transmitting-receiving transmission of four tunnels.And above-mentioned photoelectric coupling lens combination 10 structure is comparatively simple, make easily, production cost is lower.
Meanwhile, the hole depth in fiber orientation hole 210 is 0.3 ~ 0.5mm.With the amount of grinding demand making its hole depth both meet optical fiber 300, the positioning precision of optical fiber 300 can be ensured again, the difficulty of Mold Making can also be made to reduce, ensure that the precision of processing, and be conducive to hole circle degree and linearity.
In addition, the stage portion 292 in U-type groove 290 is provided with locating slot 292a, locating slot 292a and fiber orientation hole 210 are conducted, more easy to make wearing optical fiber 300, and conveniently carry out a glue to optical fiber 300.
The above embodiment only have expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (9)
1. a photoelectric coupling lens combination, is characterized in that, comprising:
Hexamermis spp lens subassembly, comprising:
Main casing, be cuboid structure, accepting groove is offered in the bottom of described main casing;
End lenses is six, and six described end lenses are arranged side by side on an end face of described main casing; And
Bottom surface lens are six, and six described bottom surface lens are arranged side by side the bottom land in described accepting groove, six described end lenses respectively with six described bottom surface lens through 45 degree of reflection couplings, form six groups of lens passages; And
Multicore plastics lock pin, it offers six fiber orientation holes for up-winding fiber, and described multicore plastics lock pin is removably connected on described Hexamermis spp lens subassembly, and six described fiber orientation holes align with six described end lenses respectively;
Wherein, in lens passage described in six groups, the spacing of middle four described lens interchannel adjacent lens passages is 250 μm, and what the lens passage of both sides was adjacent lens passage is spaced apart 500 μm; In six described fiber orientation holes, between middle four described fiber orientation holes, the spacing of adjacent fiber pilot hole is 250 μm, and what the fiber orientation hole of both sides was adjacent fiber orientation hole is spaced apart 500 μm; The hole depth in described fiber orientation hole is 0.3 ~ 0.5mm.
2. photoelectric coupling lens combination according to claim 1, it is characterized in that, described Hexamermis spp lens subassembly also comprises guidepost, described guidepost is vertically connected at described main casing and is provided with on the end face of end lenses, described multicore plastics lock pin offers pilot hole, when described multicore plastics lock pin is connected on described Hexamermis spp lens subassembly, described guidepost wears described pilot hole.
3. photoelectric coupling lens combination according to claim 2, is characterized in that, described guidepost is two, and described pilot hole is also two.
4. photoelectric coupling lens combination according to claim 1, it is characterized in that, described Hexamermis spp lens subassembly also comprises two linking arms, and two described linking arms are vertically connected at described main casing and are provided with on the end face of end lenses, described linking arm offer button bit groove;
The two sides of described multicore plastics lock pin are equipped with button bit portion, and the button bit portion on the two sides of described multicore plastics lock pin and the described button bit groove on two linking arms fasten, and are connected with described multicore plastics lock pin to make described Hexamermis spp lens subassembly.
5. photoelectric coupling lens combination according to claim 4, is characterized in that, the cross section in described button bit portion is the buckle of wedge shape.
6. photoelectric coupling lens combination according to claim 4, is characterized in that, the both sides of described multicore plastics lock pin are also provided with protuberance, and two described protuberances offset with two described linking arms respectively.
7. photoelectric coupling lens combination according to claim 1, is characterized in that, described multicore plastics lock pin offers U-type groove, and described fiber orientation hole and described U-type groove are conducted.
8. photoelectric coupling lens combination according to claim 7, it is characterized in that, the bottom land of described U-type groove is also provided with stage portion, described stage portion offers the locating slot of six strips, described fiber orientation hole is conducted six described locating slots with six respectively, the cell wall of described locating slot and the hole wall smooth connection in described fiber orientation hole.
9. photoelectric coupling lens combination according to claim 8, is characterized in that, described locating slot is cross section is semicircular groove, and the radius of described locating slot is greater than the radius in described fiber orientation hole.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410240364.7A CN104020538B (en) | 2014-05-30 | 2014-05-30 | Photoelectric coupling lens combination |
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| CN201410240364.7A CN104020538B (en) | 2014-05-30 | 2014-05-30 | Photoelectric coupling lens combination |
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| CN104020538A CN104020538A (en) | 2014-09-03 |
| CN104020538B true CN104020538B (en) | 2016-03-30 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104765110A (en) * | 2015-04-03 | 2015-07-08 | 武汉电信器件有限公司 | Integrated multi-path optical lens array assembly for concurrent optical transceiver module |
| CN113900194A (en) * | 2021-12-08 | 2022-01-07 | 武汉驿路通科技股份有限公司 | Assembling tool and assembling method for optical fiber and MT (multi-terminal) ferrule |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6409397B1 (en) * | 1999-09-30 | 2002-06-25 | Infineon Technologies Ag | Surface-mounted, fiber-optic transmitting or receiving component having a deflection receptacle which can be adjusted during assembly |
| CN103454735A (en) * | 2012-05-29 | 2013-12-18 | 3M创新有限公司 | Optical interconnect |
| TW201409105A (en) * | 2012-08-31 | 2014-03-01 | Hon Hai Prec Ind Co Ltd | Optical fiber coupling lens and optical communication module |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6860648B2 (en) * | 2000-06-30 | 2005-03-01 | Opti Japan Corporation | Multi channel optical transmitter/receiver module and manufacturing method thereof |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6409397B1 (en) * | 1999-09-30 | 2002-06-25 | Infineon Technologies Ag | Surface-mounted, fiber-optic transmitting or receiving component having a deflection receptacle which can be adjusted during assembly |
| CN103454735A (en) * | 2012-05-29 | 2013-12-18 | 3M创新有限公司 | Optical interconnect |
| TW201409105A (en) * | 2012-08-31 | 2014-03-01 | Hon Hai Prec Ind Co Ltd | Optical fiber coupling lens and optical communication module |
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