CN103869430A - Optical fiber connector - Google Patents
Optical fiber connector Download PDFInfo
- Publication number
- CN103869430A CN103869430A CN201210542091.2A CN201210542091A CN103869430A CN 103869430 A CN103869430 A CN 103869430A CN 201210542091 A CN201210542091 A CN 201210542091A CN 103869430 A CN103869430 A CN 103869430A
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- China
- Prior art keywords
- accepting groove
- coupled lens
- joints
- light signal
- optical fibre
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Abstract
The invention relates to an optical fiber connector, comprising a circuit board, an optoelectronic coupler, a bridging device and a plurality of optical fibers. The optoelectronic coupler is fixed on the circuit board; the circuit board is provided with at least one optoelectronic element; and one end of each optical fiber is installed in the bridging device. The optoelectronic coupler comprises a first outer side surface, a second outer side surface, a top surface and a bottom surface. An inclined plane is formed between the top surface and the second outer side surface extendingly; and the top surface and the inclined plane form an angle. The bottom surface is provided with a first groove; and the bottom of the first groove is provided with a plurality of first coupling lenses. Each first coupling lens is aligned to one optoelectronic element correspondingly. The first outer side surface is also provided with an accepting groove; and the bottom of the accepting groove is provided with a plurality of second coupling lenses. Each second coupling lens is disposed on a light path of optical signals sent by a corresponding optoelectronic element being refracted. The bridging device can be detachably installed in the accepting groove of the ptoelectronic coupler.
Description
Technical field
The present invention relates to a kind of connector, relate in particular to a kind of joints of optical fibre.
Background technology
The joints of optical fibre are for will be connected between optical signal launcher and optical fiber or between optical fiber and light signal receiving, realize the mutual conversion between coupling and light signal and the electric signal of light signal.The existing joints of optical fibre generally comprise a fibre-optical splice and a male part being connected with described fibre-optical splice.Described fibre-optical splice is used for connecting optical fiber, and by described optical fiber and described male part optical alignment.Therefore, between described fibre-optical splice and described male part, be connected degree of accuracy by the alignment precision directly affecting between described optical fiber and described male part.
In prior art, the mutual contraposition of mode that adopts column contraposition post and registration holes mutually to peg graft between described fibre-optical splice and described male part to coordinate, the face of cooperatively interacting of described contraposition post and registration holes is taper surface.Conventionally need to adopt discharge mode to make for the mould of moulding said structure, this has increased the molded and shaped difficulty of fibre-optical splice and male part.
Summary of the invention
In view of this, be necessary to provide a kind of joints of optical fibre that can reduce manufacture difficulty.
A kind of joints of optical fibre, it comprises a circuit board, photoelectric coupling part, a jumper and multiple optical fiber.Described photoelectric coupling part is fixed on described circuit board.On described circuit board, be provided with at least one photovalve, one end of each optical fiber is installed in described jumper.Described photoelectric coupling part comprises the second lateral surface that one first lateral surface, deviates from mutually with described the first lateral surface, a upper surface and one and the opposing lower surface of described upper surface.Described upper surface extends to form the inclined-plane of an inclination to described the second lateral surface, described upper surface and described inclined-plane are at angle.On described lower surface, offer first groove, the bottom land of described the first groove is provided with multiple the first coupled lens, and each described the first coupled lens is corresponding to be aligned mutually with a photovalve.On described the first lateral surface, also offer an accepting groove.The bottom surface of described accepting groove is provided with multiple the second coupled lens corresponding to described the first coupled lens.Described in each, the second coupled lens is arranged in light signal that corresponding described photovalve the sends light path after the turnover of described inclined-plane.The shape and size of described jumper are corresponding with shape and the size of described accepting groove respectively, and described jumper can be arranged in the accepting groove of described photoelectric coupling part removably.
With respect to prior art, the accepting groove that described joints of optical fibre utilization is provided with on the first lateral surface of described photoelectric coupling part is accommodated described jumper, so that the structure of described jumper and described accepting groove is carried out contraposition, therefore can reduce the manufacture difficulty of fibre-optical splice and male part, and guarantee to be easier to control the precision of described jumper and described accepting groove.
Accompanying drawing explanation
Fig. 1 is the three-dimensional structure diagram of the joints of optical fibre of embodiment of the present invention.
Fig. 2 is the exploded view of the joints of optical fibre of Fig. 1.
Fig. 3 is that the joints of optical fibre of Fig. 1 are along the cut-open view of III-III.
Fig. 4 is the schematic diagram that the circuit board in Fig. 3 is combined with photoelectric coupling part.
Main element symbol description
| The joints of |
100 |
| Circuit board | 1 |
| |
10 |
| |
20 |
| |
30 |
| Loading end | 1a |
| |
1b |
| Light signal radiated |
104 |
| Light |
105 |
| |
11 |
| |
12 |
| The |
120 |
| |
1201 |
| The first coupled |
13 |
| The first |
14 |
| The second |
15 |
| Accepting |
140 |
| The first accepting |
141 |
| The second accepting |
142 |
| |
143 |
| |
1411 |
| Inclined- |
17 |
Following embodiment further illustrates the present invention in connection with above-mentioned accompanying drawing.
Embodiment
Below in conjunction with accompanying drawing, the present invention being done to one specifically introduces.
See also Fig. 1-4, the joints of optical fibre 100 that embodiment of the present invention provides, it comprises a circuit board 1, a photoelectric coupling part 10, a jumper (Jumper) 20 and multiple optical fiber 30.Described photoelectric coupling part 10 is fixed on described circuit board 1.Described jumper 20 is arranged on described photoelectric coupling part 10 removably, and one end of each described multiple optical fiber 30 is installed in described jumper 20.
Described circuit board 1 comprises a loading end 1a.On described loading end 1a, be provided with four photovalve 1b.Four described photovalve 1b comprise two light signal radiated elements 104 and two light signal receiving elements 105.Described light signal radiated element 104 can be laser diode (laser diode), and described light signal receiving element 105 can be photodiode (photodiode).
Described photoelectric coupling part 10 comprises a upper surface 11 and one and the opposing lower surface 12 of described upper surface 11.Described upper surface 11 is parallel to each other with described lower surface 12.On described lower surface 12, offer first groove 120, the bottom land 1201 of described the first groove 120 is provided with multiple the first coupled lens 13.Each described the first coupled lens 13 correspondences align mutually with a photovalve 1b.In present embodiment, described multiple the first coupled lens 13 are four convex lens, and are shaped on described bottom land 1201.
Described photoelectric coupling part 10 also comprises the second lateral surface 15 that one first lateral surface 14, deviates from mutually with described the first lateral surface 14.Described the first lateral surface 14 is parallel to each other with described the second lateral surface 15, and all with described upper surface 11 and lower surface 12 is vertical is connected.Described lower surface 12 contacts with the loading end 1a of described circuit board 1.
On described the first lateral surface 14, also offer an accepting groove 140.Described accepting groove 140 is stepped, and it comprises one first accepting groove 141 and one and the second accepting groove 142 of connecting of described the first accepting groove 141.Described the first accepting groove 141 and the second accepting groove 142 are rectangular structure.Described the first accepting groove 141 is less than the width of described the second accepting groove 142 along parallel described the first lateral surface 14 directions along the width of parallel described the first lateral surface 14 directions.Described the first accepting groove 141 is formed with a step surface 143 with described the second accepting groove 142.The bottom surface 1411 of described the first accepting groove 141 is provided with multiple the second coupled lens 16 corresponding to described the first coupled lens 13.Described the second coupled lens 16 be convex lens and with the one-body molded setting of described photoelectric coupling part 10.It is thick that distance between described step surface 143 and the bottom surface 1411 of described the first accepting groove 141 is greater than described the second coupled lens 16 center meat, also, described the second coupled lens 16 is housed in completely in described the first accepting groove 141 and keeps at a certain distance away with described step surface 143.
Described upper surface 11 extends to form the inclined-plane 17 of an inclination to described the second lateral surface 15, described upper surface 11 and described inclined-plane 17 are at angle, as long as this angle can make the light signal generation total reflection of transmitting through described inclined-plane 17, preferably, this angle is 45 degree.The optical axis of each described the second coupled lens 16 or each described the first coupled lens 13 and the angle on described inclined-plane 17 are 45 degree.Described in each, the second coupled lens 16 is arranged in light signal that corresponding described light signal radiated element 104 the sends light path after 17 turnovers of described inclined-plane.
The shape and size of described jumper 20 are corresponding with shape and the size of described the second accepting groove 142 respectively.In present embodiment, the shape of described jumper 20 corresponds to rectangular parallelepiped.On described jumper 20, offer multiple registration holes 22.Described optical fiber 30 is housed in described registration holes 22.In present embodiment, described in each, the angle on the optical axis of optical fiber 30 and described inclined-plane 17 is 45 degree.
When assembling, 20 groups of described jumpers enter to described the second accepting groove 142, described jumper 20 supports on described step surface 143 simultaneously, due to the distance between described step surface 143 and the bottom surface 1411 of described the first accepting groove 141, to be greater than described the second coupled lens 16 center meat thick, therefore, also prevent described optical fiber 30 end faces because of touch described the second coupled lens 16 cause dirty, and make described the second coupled lens 16 coupling efficiency reduce.
When use, described light signal radiated element 104 is launched light signal, described light signal enters described photoelectric coupling part 10 through the first coupled lens 13 of correspondence, arrive behind described inclined-plane 17, by 17 total reflections of described inclined-plane, make through entering a described optical fiber 30 after the second coupled lens 16 described in light signal deviation 90 degree of described the first coupled lens 13 is diverted to corresponding one.The process of described light signal receiving element 105 receiving optical signals is contrary with described light signal radiated element 104, described photoelectric coupling part 10 for optical signal transmission that described light signal radiated element 104 is sent to described optical fiber 30 or by the optical signal transmission of described optical fiber 30 to described light signal receiving element 105.
In above-mentioned embodiment, the quantity of described light signal radiated element 104 and described light signal receiving element 105 is two, and therefore the described joints of optical fibre 100 can be realized two of light signal and enter two and go out.Certainly, according to different demands, more than the quantity of described light signal radiated element 104 and described light signal receiving element 105 also can be one or two, and the quantity of described the first coupled lens 13 or described the second coupled lens 16 is the quantity sum of described light signal radiated element 104 and described light signal receiving element 105.
In other embodiments, the shape of described the second accepting groove 142 also can be other shapes, and as cylindric, in the time that being shaped as of described the second accepting groove 142 is cylindric, the shape correspondence of described jumper 20 is also cylindric.
The described joints of optical fibre 100 utilize the accepting groove 140 being provided with on the first lateral surface 14 of described photoelectric coupling part 10 to accommodate described jumper 20, so that the contraposition of carrying out of described jumper 20 and described accepting groove 140, therefore can reduce the manufacture difficulty of fibre-optical splice and male part, and guarantee to be easier to control the precision of described jumper 20 and described accepting groove 140.
In addition, those skilled in the art also can do other and change in spirit of the present invention, and certainly, the variation that these do according to spirit of the present invention, within all should being included in the present invention's scope required for protection.
Claims (10)
1. joints of optical fibre, it comprises a circuit board, photoelectric coupling part, one jumper and multiple optical fiber, described photoelectric coupling part is fixed on described circuit board, on described circuit board, be provided with at least one photovalve, one end of each described optical fiber is installed in described jumper, described photoelectric coupling part comprises one first lateral surface, one the second lateral surface deviating from mutually with described the first lateral surface, one upper surface, and one and the opposing lower surface of described upper surface, described upper surface extends to form the inclined-plane of an inclination to described the second lateral surface, described upper surface and described inclined-plane are at angle, on described lower surface, offer first groove, the bottom land of described the first groove is provided with multiple the first coupled lens, each described the first coupled lens is corresponding to be aligned mutually with a photovalve, it is characterized in that: on described the first lateral surface, also offer an accepting groove, the bottom surface of described accepting groove is provided with multiple the second coupled lens corresponding to described the first coupled lens, described in each, the second coupled lens is arranged in light signal that corresponding described photovalve the sends light path after the turnover of described inclined-plane, the shape and size of described jumper are corresponding with shape and the size of described accepting groove respectively, described jumper can be arranged in the accepting groove of described photoelectric coupling part removably.
2. the joints of optical fibre as claimed in claim 1, is characterized in that: described multiple the first coupled lens and described multiple the second coupled lens are convex lens, and described multiple the first coupled lens are shaped in the bottom land of described the first groove.
3. the joints of optical fibre as claimed in claim 1, is characterized in that: described accepting groove is stepped, and it comprises one first accepting groove and one and the second accepting groove of connecting of described the first accepting groove, and described the second coupled lens is formed on the bottom surface of the first accepting groove.
4. the joints of optical fibre as claimed in claim 3, it is characterized in that: described the first accepting groove is less than the width of described the second accepting groove along parallel described the first lateral surface direction along the width of parallel described the first lateral surface direction, described the first accepting groove and described the second accepting groove are formed with a step surface, the center meat that distance between the bottom surface of described step surface and described the first accepting groove is greater than described the second coupled lens is thick, and described the second coupled lens is housed in completely in described the first accepting groove and keeps at a certain distance away with described step surface.
5. the joints of optical fibre as claimed in claim 4, is characterized in that: described jumper group enters to described the second accepting groove, and described jumper supports on described step surface simultaneously.
6. the joints of optical fibre as claimed in claim 3, is characterized in that: described the first accepting groove and the second accepting groove are rectangular structure, and the shape of described jumper corresponds to rectangular parallelepiped.
7. the joints of optical fibre as claimed in claim 1, is characterized in that: at angle, this angle can make the light signal generation total reflection through the transmission of described inclined-plane for the described upper surface of described photoelectric coupling part and described inclined-plane.
8. the joints of optical fibre as claimed in claim 7, is characterized in that: this angle is 45 degree.
9. the joints of optical fibre as claimed in claim 1, it is characterized in that: described at least one photovalve comprises at least one light signal radiated element and at least one light signal receiving element, and the quantity of described the first coupled lens or described the second coupled lens is the quantity sum of described light signal radiated element and described light signal receiving element.
10. the joints of optical fibre as claimed in claim 9, is characterized in that: described at least one photovalve comprises two light signal radiated elements and two light signal receiving elements, and the quantity of described the first coupled lens or described the second coupled lens is four.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210542091.2A CN103869430A (en) | 2012-12-14 | 2012-12-14 | Optical fiber connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210542091.2A CN103869430A (en) | 2012-12-14 | 2012-12-14 | Optical fiber connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103869430A true CN103869430A (en) | 2014-06-18 |
Family
ID=50908156
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210542091.2A Pending CN103869430A (en) | 2012-12-14 | 2012-12-14 | Optical fiber connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103869430A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107045164A (en) * | 2016-02-05 | 2017-08-15 | 苏州旭创科技有限公司 | Optical path control device and optical module |
| WO2019105048A1 (en) * | 2017-11-29 | 2019-06-06 | 华为技术有限公司 | Optical transmission sub-module and optical transceiver assembly |
| WO2023151270A1 (en) * | 2022-02-11 | 2023-08-17 | 深南电路股份有限公司 | Optical connection apparatus and electronic device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050117853A1 (en) * | 2000-12-28 | 2005-06-02 | Venkatesan Murali | Optical subassembly |
| KR20060054914A (en) * | 2004-11-17 | 2006-05-23 | 한국전자통신연구원 | Parallel optical interconnection module |
| CN101075007A (en) * | 2006-05-17 | 2007-11-21 | 富士施乐株式会社 | Optical transmission module and method of manufacturing the same |
| CN101103290A (en) * | 2005-01-18 | 2008-01-09 | 夏普株式会社 | Optical coupler |
| JP2009151051A (en) * | 2007-12-20 | 2009-07-09 | Yazaki Corp | Single-fiber bidirectional optical communication module |
| CN102667565A (en) * | 2009-12-22 | 2012-09-12 | 恩普乐股份有限公司 | Lens array and optical module provided therewith |
-
2012
- 2012-12-14 CN CN201210542091.2A patent/CN103869430A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050117853A1 (en) * | 2000-12-28 | 2005-06-02 | Venkatesan Murali | Optical subassembly |
| KR20060054914A (en) * | 2004-11-17 | 2006-05-23 | 한국전자통신연구원 | Parallel optical interconnection module |
| CN101103290A (en) * | 2005-01-18 | 2008-01-09 | 夏普株式会社 | Optical coupler |
| CN101075007A (en) * | 2006-05-17 | 2007-11-21 | 富士施乐株式会社 | Optical transmission module and method of manufacturing the same |
| JP2009151051A (en) * | 2007-12-20 | 2009-07-09 | Yazaki Corp | Single-fiber bidirectional optical communication module |
| CN102667565A (en) * | 2009-12-22 | 2012-09-12 | 恩普乐股份有限公司 | Lens array and optical module provided therewith |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107045164A (en) * | 2016-02-05 | 2017-08-15 | 苏州旭创科技有限公司 | Optical path control device and optical module |
| CN107045164B (en) * | 2016-02-05 | 2019-04-30 | 苏州旭创科技有限公司 | Optical path control device and optical module |
| WO2019105048A1 (en) * | 2017-11-29 | 2019-06-06 | 华为技术有限公司 | Optical transmission sub-module and optical transceiver assembly |
| US11243357B2 (en) | 2017-11-29 | 2022-02-08 | Huawei Technologies Co., Ltd. | Transmitter optical sub-assembly and optical transceiver assembly |
| WO2023151270A1 (en) * | 2022-02-11 | 2023-08-17 | 深南电路股份有限公司 | Optical connection apparatus and electronic device |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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Application publication date: 20140618 |