CN104101957A - Fiber connector - Google Patents
Fiber connector Download PDFInfo
- Publication number
- CN104101957A CN104101957A CN201310112555.0A CN201310112555A CN104101957A CN 104101957 A CN104101957 A CN 104101957A CN 201310112555 A CN201310112555 A CN 201310112555A CN 104101957 A CN104101957 A CN 104101957A
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- CN
- China
- Prior art keywords
- location structure
- photovalve
- joints
- face
- optical fibre
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- Optical Couplings Of Light Guides (AREA)
Abstract
The invention provides a fiber connector comprising a circuit board, four photoelectric elements arranged on preset positions on the circuit board, a positioning element arranged on the circuit board, and a lens element; the positioning element comprises a bottom surface contacting with the circuit board and a top surface opposite to the bottom surface, is provided with a through hole penetrating the bottom surface and the top surface and used for containing the four photoelectric elements, wherein the top surface is provided with a contraposition mark and a first positioning structure; the contraposition mark is used for assisting the positioning element to match with the four photoelectric elements; the lens element comprises a light entering surface, four first coupling lenses formed on the light entering surface and respectively matched with the four photoelectric elements, and a second positioning structure; the second positioning structure can cooperate with the first positioning structure so as to fix the lens element on the top surface, so the four first coupling lenses can respectively align with the four photoelectric elements; therefore, the assembling precision of the fiber connector can be improved.
Description
Technical field
The present invention relates to optical-fibre communications, particularly a kind of joints of optical fibre.
Background technology
The joints of optical fibre have generally comprised a circuit board, a photovalve, a shell and an optical fiber.This photovalve can be laser diode or laser diodes, and is arranged on this circuit board.This shell is arranged on this circuit board equally, covers and encapsulate this photovalve.This shell is formed with a coupling eyeglass relative with this photovalve.This optical fiber and this shell are oppositely arranged, and this shell is also formed with another coupling eyeglass relative with this optical fiber.So, this photovalve can be by this coupling eyeglass to this optical fiber emission of light or receive the light that this optical fiber is passed back.In order to lower insertion loss, this photovalve of General Requirements and this optical fiber are aimed at corresponding coupling eyeglass respectively.But, when this shell is positioned to this circuit board, because the coupling eyeglass of this photovalve and correspondence is all blocked, is difficult to judge whether this photovalve and corresponding coupling eyeglass are aimed at, thereby is difficult to ensure the assembly precision of the joints of optical fibre.
Summary of the invention
In view of this, be necessary to provide a kind of joints of optical fibre that improve assembly precision.
A kind of joints of optical fibre, it comprises a circuit board, at least one photovalve, a setting element and a lens element.This at least one photovalve is arranged on the precalculated position of this circuit board.This setting element comprises an opposing end face in Ji Yugai bottom surface, bottom surface.This setting element offers one and runs through the through hole of this bottom surface and this end face, and on this end face, forms an alignment mark and one first location structure.This setting element is arranged on this circuit board, and this bottom surface contacts with this circuit board, and this at least one photovalve is positioned at this through hole.This alignment mark is for auxiliary this setting element and this at least one photovalve contraposition.This lens element comprises an incidence surface and is formed on this incidence surface and at least one first coupled lens and one second location structure corresponding with this at least one photovalve difference.Thereby this second location structure is positioned this lens element on this end face, this at least one first coupled lens to be aimed at respectively with this at least one photovalve for coordinating with this first location structure.
Due to the setting of this through hole and this alignment mark, can make this setting element and the accurate contraposition of this at least one photovalve, and this first location structure with make coordinating of this second location structure this lens element can precise positioning in this at least one photovalve contraposition after this setting element on, therefore this at least one first coupled lens, being positioned on this lens element can be aimed at respectively with this at least one photovalve being positioned on this circuit board indirectly.The assembly precision of these joints of optical fibre is improved and ensures.
Brief description of the drawings
Fig. 1 is the solid intention of the joints of optical fibre of preferred embodiments of the present invention.
Fig. 2 is the exploded view of the joints of optical fibre of Fig. 1.
Fig. 3 is the exploded view of another angle of the joints of optical fibre of Fig. 1.
Fig. 4 is that the joints of optical fibre of Fig. 1 are along the sectional view of IV-IV.
Main element symbol description
| The joints of optical fibre | 10 |
| Circuit board | 110 |
| Upper surface | 111 |
| Photovalve | 120 |
| Setting element | 130 |
| Bottom surface | 131 |
| End face | 132 |
| Through hole | 133 |
| Alignment mark | 134 |
| The first location structure | 135 |
| The first auxiliary location structure | 136 |
| Stop block | 1361 |
| Limit groove | 1362 |
| Lens element | 140 |
| Incidence surface | 141 |
| The first coupled lens | 142 |
| The second location structure | 143 |
| The second auxiliary location structure | 144 |
| Exiting surface | 145 |
| The second coupled lens | 146 |
| Fully reflecting surface | 147 |
| Optical fiber | 150 |
Following embodiment further illustrates the present invention in connection with above-mentioned accompanying drawing.
Embodiment
Refer to Fig. 1-4, the joints of optical fibre 10 of preferred embodiments of the present invention comprise a circuit board 110, at least one photovalve 120, a setting element 130 and a lens element 140.This at least one photovalve 120 is arranged on the precalculated position of this circuit board 110.This setting element 130 comprise a bottom surface 131 and with the opposing end face 132 in this bottom surface 131.This setting element 130 offers one and runs through the through hole 133 of this bottom surface 131 and this end face 132, and on this end face 132, forms an alignment mark 134 and one first location structure 135.This setting element 130 is arranged on this circuit board 110, and this bottom surface 131 contacts with this circuit board 110, and this at least one photovalve 120 is positioned at this through hole 133.This alignment mark 134 is for auxiliary this setting element 130 and these at least one photovalve 120 contrapositions.This lens element 140 comprises an incidence surface 141 and is formed on this incidence surface 141 and at least one first coupled lens 142 and one second location structure 143 corresponding with these at least one photovalve 120 difference.Thereby this second location structure 143 is positioned this lens element 140 on this end face 132, this at least one first coupled lens 142 to be aimed at respectively with this at least one photovalve 120 for coordinating with this first location structure 135.
Due to this through hole 133 and the setting of this alignment mark 134, can make this setting element 130 and the accurate contraposition of this at least one photovalve 120, and this first location structure 135 with make coordinating of this second location structure 143 this lens element 140 can precise positioning in these at least one photovalve 120 contrapositions after this setting element 130 on, therefore this at least one first coupled lens 142, being positioned on this lens element 140 can be aimed at respectively with this at least one photovalve 120 indirectly.The assembly precision of these joints of optical fibre 10 is improved and ensures.
This circuit board 110 can be ceramic substrate, is formed with circuit (not shown).This circuit board 110 comprises a upper surface 111 and is formed at least one weld pad (not shown) being connected with this circuit on this upper surface 111.The general semiconductor technology that adopts of this circuit board 110 is made, and therefore this at least one weld pad can be looked Demand Design precise positioning.The position of this at least one weld pad forms this precalculated position.
This at least one photovalve 120 can be laser diode or laser diodes, and is arranged at respectively on this at least one weld pad, and is connected with the circuit of this circuit board 110 by this at least one weld pad respectively.In present embodiment, this at least one photovalve 120 comprises four photovalves 120 that are linear isometry distribution.
This setting element 130 is substantially rectangular, and this through hole 133 is rectangular equally.This alignment mark 134 is for being formed at the groove that the minor face (being divided into two parts by the minor face of this through hole 133) and five of dividing this through hole 133 on this end face 132 equally is divided the long limit (being divided into five parts by the long limit of this through hole 133) of this through hole 133 equally.When use, face this end face 132 then adjust this setting element 130 position until this groove respectively through this at least one photovalve 120 center can ensure this setting element 130 with these at least one photovalve 120 contrapositions.Certainly, in other embodiments, this setting element 130 and this through hole 133 can adopt other shapes depending on demand, and this alignment mark 134 can adopt depending on demand other auxiliary para groove, is all not limited to present embodiment.
This first location structure 135 is for offering with on this end face 132 and be positioned at two pilot holes of these through hole 133 relative both sides, and this second location structure 143 is for to stretch out and two reference columns corresponding with these two pilot hole shapes and position from this incidence surface 141.Certainly, the suitable location structure that can adopt other depending on demand is in other embodiments as this first location structure 135 and this second location structure 143, and for example this first location structure 135 adopts pilot hole for this second location structure 143 of reference column.
On this end face 132, can also form one first auxiliary location structure 136, and on this incidence surface 141, form the second auxiliary location structure 144.For example, the stop block 1361 of this first auxiliary location structure 136 for stretching out from this end face 132, this stop block 1361 forms a restriction groove 1362 around this through hole 133, this alignment mark 134 and this first location structure 135, this second auxiliary location structure 144 is a locating piece coordinating with this restriction groove 1362, and this incidence surface 141 is positioned on this locating piece.Because the size of this first auxiliary location structure 136 and this second auxiliary location structure 144 is larger, handled easily, realizes less this first location structure 135 and this second location structure 143 of location rear recycling size fast and realizes precise positioning.In present embodiment, this restriction groove 1362 is square groove, this locating piece be square and undersized in this restriction groove 1362 to allow this locating piece to adjust to realize this first location structure 135 and this second location structure 143 precise positionings in this restriction groove 1362.The suitable location structure that certainly, can adopt other depending on demand is in other embodiments as this first auxiliary location structure 136 and this second auxiliary location structure 144.
This lens element 140 also comprises one with this incidence surface 141 exiting surface 145 connected vertically, be formed at that at least one the second coupled lens 146 and corresponding with this at least one first coupled lens 142 on this exiting surface 145 is connected this incidence surface 141 and this exiting surface 145 and for realizing the fully reflecting surface 147 of total reflection coupling between this first coupled lens 142 and this at least one the second coupled lens 146.Certainly, the structure of this lens element 140 can be not limited to present embodiment and adopt other suitable structures.
These joints of optical fibre 10 also comprise at least one optical fiber 150 aliging respectively at this at least one the second coupled lens 146.
To should at least one photovalve 120, the number of this at least one first coupled lens 142, this at least one the second coupled lens 146 and this at least one optical fiber 150 be similarly four and linear isometry and arranges.Certainly, in other embodiments, the number of this at least one photovalve 120, this at least one first coupled lens 142, this at least one the second coupled lens 146 and this at least one optical fiber 150 and arrange and can do and change depending on demand, is not limited to present embodiment.
In a word; those skilled in the art will be appreciated that; above embodiment is only for the present invention is described; and be not used as limitation of the invention; as long as within connotation scope of the present invention, within the appropriate change that above embodiment is done and variation all drop on the scope of protection of present invention.
Claims (7)
1. joints of optical fibre, it comprises a circuit board, at least one photovalve, a setting element and a lens element; This at least one photovalve is arranged on the precalculated position of this circuit board; This setting element comprises an opposing end face in Ji Yugai bottom surface, bottom surface; This setting element offers one and runs through the through hole of this bottom surface and this end face, and on this end face, forms an alignment mark and one first location structure; This setting element is arranged on this circuit board, and this bottom surface contacts with this circuit board, and this at least one photovalve is positioned at this through hole; This alignment mark is for auxiliary this setting element and this at least one photovalve contraposition; This lens element comprises an incidence surface and is formed on this incidence surface and at least one first coupled lens and one second location structure corresponding with this at least one photovalve difference; Thereby this second location structure is positioned this lens element on this end face, this at least one first coupled lens to be aimed at respectively with this at least one photovalve for coordinating with this first location structure.
2. the joints of optical fibre as claimed in claim 1, is characterized in that, this aligning structure is the auxiliary groove of contraposition that is formed at this end face.
3. the joints of optical fibre as claimed in claim 1, it is characterized in that, this first location structure is to offer with on this end face and be positioned at two pilot holes of these relative both sides of through hole, and this second location structure is to stretch out and two reference columns corresponding with these two pilot hole shapes and position from this incidence surface.
4. the joints of optical fibre as claimed in claim 1, it is characterized in that, on this end face, also form one first auxiliary location structure, and on this incidence surface, form the second auxiliary location structure, the size of this first auxiliary location structure and this second auxiliary location structure is greater than the size of this first location structure and this second location structure, for facilitating this lens element to be positioned fast this setting element.
5. the joints of optical fibre as claimed in claim 4, it is characterized in that, this first auxiliary location structure is the stop block of stretching out from this end face, this stop block forms a restriction groove around this through hole, this alignment mark and this first location structure, this second auxiliary location structure is a locating piece coordinating with this restriction groove, this incidence surface is positioned on this locating piece, this locating piece undersized in this restriction groove to allow this locating piece to adjust to realize this first location structure and this second location structure precise positioning in this restriction groove.
6. the joints of optical fibre as claimed in claim 1, it is characterized in that, this lens element also comprises one with this incidence surface exiting surface connected vertically, be formed at that at least one the second coupled lens and corresponding with this at least one first coupled lens on this exiting surface is connected this incidence surface and this exiting surface and for realizing the fully reflecting surface of total reflection coupling between this first coupled lens and this at least one the second coupled lens.
7. the joints of optical fibre as claimed in claim 6, is characterized in that, these joints of optical fibre also comprise at least one optical fiber respectively at this at least one the second coupled lens alignment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310112555.0A CN104101957A (en) | 2013-04-02 | 2013-04-02 | Fiber connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310112555.0A CN104101957A (en) | 2013-04-02 | 2013-04-02 | Fiber connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104101957A true CN104101957A (en) | 2014-10-15 |
Family
ID=51670240
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310112555.0A Pending CN104101957A (en) | 2013-04-02 | 2013-04-02 | Fiber connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104101957A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108513425A (en) * | 2018-03-29 | 2018-09-07 | 青岛海信宽带多媒体技术有限公司 | A kind of optical module |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1727933A (en) * | 2004-07-29 | 2006-02-01 | 安捷伦科技有限公司 | Optoelectronic assembly with coupling features for alignment |
| US20060274997A1 (en) * | 2005-03-28 | 2006-12-07 | Fujitsu Component Limited | Connector |
-
2013
- 2013-04-02 CN CN201310112555.0A patent/CN104101957A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1727933A (en) * | 2004-07-29 | 2006-02-01 | 安捷伦科技有限公司 | Optoelectronic assembly with coupling features for alignment |
| US20060274997A1 (en) * | 2005-03-28 | 2006-12-07 | Fujitsu Component Limited | Connector |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108513425A (en) * | 2018-03-29 | 2018-09-07 | 青岛海信宽带多媒体技术有限公司 | A kind of optical module |
| CN108513425B (en) * | 2018-03-29 | 2020-11-24 | 青岛海信宽带多媒体技术有限公司 | Optical module |
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| C06 | Publication | ||
| PB01 | Publication | ||
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Application publication date: 20141015 |