CN103969758A - Optical connector - Google Patents
Optical connector Download PDFInfo
- Publication number
- CN103969758A CN103969758A CN201310028866.9A CN201310028866A CN103969758A CN 103969758 A CN103969758 A CN 103969758A CN 201310028866 A CN201310028866 A CN 201310028866A CN 103969758 A CN103969758 A CN 103969758A
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- China
- Prior art keywords
- lens
- chip
- photocell
- light receiving
- optical connector
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- Optical Couplings Of Light Guides (AREA)
- Light Receiving Elements (AREA)
Abstract
The invention provides an optical connector which comprises a substrate, a light receiving-emitting assembly and a shell. The substrate comprises a bearing face. The light receiving-emitting assembly comprises a supporting piece, at least one light emitting element and at least one light receiving element. The supporting piece is installed on the bearing face and comprises an installation face perpendicular to the bearing face. The at least one light emitting element and the at least one light receiving element are installed on the installation face. The shell comprises a first lateral face and a second lateral face opposite to the first lateral face. The first lateral face is provided with at least two first lenses. The second lateral face is provided with at least two second lenses. The optical axes of the first lenses and the optical axes of the corresponding second lenses are coaxial. The shell is installed on the bearing face. Each light emitting element and each light receiving element are right opposite to the corresponding first lens. Due to the fact that the optical axes of the first lenses and the optical axes of the corresponding second lenses are coaxial, the light communication reliability of the optical connector can be guaranteed.
Description
Technical field
The present invention relates to optical communication field, particularly, relate to a kind of optical connector.
Background technology
Traditional optical connector comprises a substrate, multiple optical transceiver cell and transparent housing that arranges on substrate and be covered in optical transceiver cell top being arranged on substrate.On housing, be provided with multiple first lens, multiple the second lens and a reflecting surface.The central shaft of first lens is vertical with substrate and just right one by one with optical transceiver cell.The central axes of the second lens intersects at reflecting surface in substrate and with the central shaft of a corresponding first lens.Reflecting surface all becomes miter angle crossing with the central shaft of each first lens and the second lens.So, the light that optical transceiver cell sends enters a corresponding first lens, reflexes to corresponding second lens and penetrate through reflecting surface along substantially vertical orientation substrate, finally propagates along being roughly parallel to orientation substrate; Light path when optical transceiver cell receives extraneous light is contrary.But, while manufacturing above-mentioned housing, be sometimes difficult to ensure that reflecting surface all becomes miter angle with the central shaft of first lens, the second lens, so will affect the reliability of joints of optical fibre optical communication.
Summary of the invention
In view of this, be necessary to provide a kind of optical connector that ensures optical communication reliability.
A kind of optical connector, comprises a substrate, a light transmitting-receiving subassembly and a housing.Described substrate comprises a loading end.Described smooth transmitting-receiving subassembly comprises a support member, at least one photocell and at least one light receiving element.Described support member is installed on described loading end and comprises an installed surface vertical with described loading end.Described at least one photocell and at least one light receiving element are installed on described installed surface.Described housing comprises the second side that first side and and described the first side are opposing.Described the first side is provided with at least two first lens.On described the second side, be provided with at least two second lens corresponding with described at least two first lens.The light shaft coaxle of the optical axis of each first lens and corresponding second lens and be parallel to described loading end.Described housing is installed on described loading end, and each photocell and each light receiving element are just right with a corresponding first lens.
Optical connector provided by the invention, the light shaft coaxle of the optical axis of each first lens and corresponding second lens and be parallel to described loading end, so, described housing does not need the reflecting surface between described first lens and described the second lens is set, and can realize the light that each photocell is sent and spreads out of or extraneous light is transferred to a corresponding light receiving element through corresponding the second lens, a first lens successively through a described corresponding first lens, the second lens successively.So, can ensure the reliability of described optical connector optical communication.
Brief description of the drawings
Fig. 1 is the schematic top plan view of the optical connector that provides of embodiment of the present invention.
Fig. 2 is the schematic perspective view of the light transmitting-receiving subassembly of the optical connector that provides in Fig. 1.
Fig. 3 is optical connector in Fig. 1 cut-open view along III-III line.
Fig. 4 is optical connector in Fig. 1 cut-open view along IV-IV line.
Main element symbol description
| Optical connector | 100 |
| Substrate | 10 |
| Loading end | 101 |
| Light transmitting-receiving subassembly | 20 |
| Support member | 21 |
| End face | 211 |
| Conducting strip | 2111 |
| First paragraph | 2111a |
| Second segment | 2111b |
| Bottom surface | 212 |
| Installed surface | 213 |
| Mounting mat | 2131 |
| The first lead-in wire | 2112 |
| The second lead-in wire | 2113 |
| The first chip | 30 |
| The second chip | 40 |
| Housing | 50 |
| Upper surface | 51 |
| Lower surface | 52 |
| The first side | 53 |
| First lens | 531 |
| The second side | 54 |
| The second lens | 541 |
| Viscose glue | 60 |
Following embodiment further illustrates the present invention in connection with above-mentioned accompanying drawing.
Embodiment
As shown in Figure 1, be the optical connector 100 that embodiment of the present invention provides, it comprises a substrate 10, light transmitting-receiving subassembly 20, first chip 30, the second chip 40 and a housing 50.
Described substrate 10 is a printed circuit board (PCB) and comprises a loading end 101.
Refer to Fig. 2 to Fig. 4, described smooth transmitting-receiving subassembly 20 comprises a support member 21, at least one photocell 22 and at least one light receiving element 23.Described support member 21 is made up of insulating material such as pottery, plastics and is rectangular-shaped.Described support member comprises an end face 211, the bottom surface 212 opposing with described end face 211 and a vertical installed surface 213 that is connected described end face 211 and described bottom surface 212.
On described end face 211, form multiple strip conducting strips 2111 that extend to described installed surface 213.Each conducting strip 2111 is L-shaped and comprise and be formed at the first paragraph 2111a on described end face 211 and be formed at the second segment 2111b on described installed surface 213.Described bottom surface 212 affixes to described loading end 101 by one deck viscose glue 60, so described smooth transmitting-receiving subassembly 20 is installed on described substrate 10 and described installed surface 213 perpendicular to described loading end 101.On described installed surface 213, be provided with at least two mounting mats 2131.In present embodiment, the quantity of described mounting mat 2131 is four and is straight line arrangement.Each conducting strip 2111 and each mounting mat 2131 are copper sheet and are formed at described installed surface 213 by plating mode.
Described mounting mat 2131 arranges and close corresponding two conducting strips 2111 of each mounting mat 2131 with described conducting strip 2111 intervals, and the quantity of conducting strip 2111 is eight.In present embodiment, the quantity of described at least one photocell 22 and at least one light receiving element 23 is two.Each photocell 22 is a laser diode (laser diode, LD), and each light receiving element 23 is a photodiode (photo diode, PD).Each photocell 22 and each light receiving element 23 are mounted on a corresponding mounting mat 2131, each mounting mat 2131 like this can play thermolysis to each photocell 22 or light receiving element 23, in other embodiments, each mounting mat 2131 also other metals such as aluminium make.Wherein, two adjacent settings of photocell 22, two adjacent settings of light receiving element 23.Each photocell 22 and each light receiving element 23 connect respectively the second segment 2111b of corresponding two conducting strips 2111 by two first lead-in wires 2112.
Described the first chip 30 is arranged on described loading end 101 and is electrically connected to described substrate 10.Described the first chip 30 arranges with described smooth transmitting-receiving subassembly 20 intervals and is opposing with described installed surface 213.Described the first chip 30 is electrically connected to the first paragraph 2111a of corresponding two conducting strips 2111 by two second lead-in wires 2113, and is electrically connected to a corresponding photocell 22 by two the first lead-in wires 2112 that are connected to the second segment 2111b of described corresponding two conducting strips 2111.In present embodiment, described the first chip 30 is for driving each photocell 22 luminous.
Described the second chip 40 is arranged on described loading end 101 and is electrically connected to described substrate 10.Described the second chip 40 arranges with described smooth transmitting-receiving subassembly 20 intervals.Described the second chip 40 is opposing and be arranged side by side with described the first chip 30 with described installed surface 213.Described the second chip 40 is electrically connected to the first paragraph 2111a of corresponding two conducting strips 2111 by two second lead-in wires 2113, and is electrically connected to a corresponding light receiving element 23 by two the first lead-in wires 2112 that connect the second segment 2111b of described corresponding two conducting strips 2111.In present embodiment, described the second chip 40 carries out processing example as amplified for the light signal that each light receiving element 23 is received.
Described housing 50 is roughly rectangular parallelepiped and is made up of transparent plastic.Described housing 50 comprises the second side 54 that a upper surface 51, lower surface opposing with upper surface 51 52, vertical first side 53 that is connected described upper surface 51 and described lower surface 52 and and described the first side 53 are opposing.Described lower surface 52 affixes to described loading end 101, so described housing 50 is arranged on described substrate 10.Described the first side 53 is relative with described installed surface 213 intervals.On described the first side 53, form at least two first lens 531.Each photocell 22 is aimed at the central shaft A of a first lens 531 towards the center line of a first lens 531 and each photocell 22.Each photocell 23 is also aimed at the central shaft A of a first lens 531 towards the center line of a first lens 531 and the photocell 22.In present embodiment, the quantity of described first lens 531 is four.Described the second side 54 deviates from described installed surface 213.On described the second side 54, form at least two the second lens 541.In present embodiment, the quantity of described first lens 531 is also four corresponding to the quantity of described first lens 531.The central shaft O of the central shaft A of each first lens 531 and each the second lens 541 is coaxial and be parallel to described loading end 101.
Refer to Fig. 3, in the time of described optical connector 100 utilizing emitted light, described the first chip 30 drives each photocell 22 luminous, thereby the light that each photocell 22 sends is invested a corresponding first lens 531 along the direction that is roughly parallel to described loading end 101 and is entered described housing 50, and then from corresponding second lens 541 converge, ejaculation also transfers to other optical element (not shown) along the direction that is roughly parallel to described loading end 101.
Refer to Fig. 4, when described optical connector 100 receives the light time from other optical elements, thereby the light that other optical elements spread out of is invested corresponding second lens 541 along the direction that is roughly parallel to described loading end 101 and is entered described housing 50, then from a corresponding first lens 531 converges, ejaculation is also projected to a corresponding light receiving element 23 along the direction that is roughly parallel to described loading end 101, and the light that described the second chip 40 receives each light receiving element 23 carries out processing example as amplified.
Optical connector 100 provided by the invention, the optical axis A of each first lens 531 is coaxial with the optical axis O of corresponding second lens and be parallel to described loading end 101, so, described housing 50 does not need the reflecting surface between described first lens 531 and described the second lens 541 is set, and can realize the light that each photocell 22 is sent and spreads out of or extraneous light is transferred to a corresponding light receiving element 23 through corresponding the second lens 541, a first lens 531 successively through a described corresponding first lens 531, the second lens 541 successively.So, can ensure the reliability of described optical connector 100 optical communications.
In other embodiments, the quantity that described photocell 22 and described light connect element 23 can be more than two, for example, is three, and accordingly, the quantity of described first lens 531 and described the second lens 541 is six.
In other embodiments, described the first chip 30 and/or described the second chip 40 also can be arranged on described support member 21, for example, are arranged on the opposing surface of described support member 21 and described installed surface 213.
In other embodiments, described the first chip 30 also can be electrically connected to each utilizing emitted light element 22 by other means, and for example described the first chip 30 is electrically connected to each photocell 22 through the circuit that is arranged at substrate 10 and support member 21 inside.
In other embodiments, described the second chip 40 also can be electrically connected to by other means each and receive optical element 23, and for example described the second chip 40 is electrically connected to each light receiving element 23 through the circuit that is arranged at substrate 10 and support member 21 inside.
Be understandable that, for the person of ordinary skill of the art, can make other various corresponding changes and distortion by technical conceive according to the present invention, and all these change the protection domain that all should belong to the claims in the present invention with distortion.
Claims (8)
1. an optical connector, comprises a substrate, a light transmitting-receiving subassembly and a housing; Described substrate comprises a loading end; Described smooth transmitting-receiving subassembly comprises a support member, at least one photocell and at least one light receiving element; Described support member is installed on described loading end and comprises an installed surface vertical with described loading end; Described at least one photocell and at least one light receiving element are installed on described installed surface; Described housing comprises the second side that first side and and described the first side are opposing; Described the first side is provided with at least two first lens; On described the second side, be provided with at least two second lens corresponding with described at least two first lens; The light shaft coaxle of the optical axis of each first lens and corresponding second lens and be parallel to described loading end; Described housing is installed on described loading end, and each photocell and each light receiving element are just right with a corresponding first lens.
2. optical connector as claimed in claim 1, it is characterized in that: described optical connector also comprises first chip and second chip that are installed on described loading end and are electrically connected to described substrate, described the first chip is electrically connected to each photocell and for driving each photocell luminous; The light that described the second chip is electrically connected to each light receiving element and receives for the treatment of each light receiving element.
3. optical connector as claimed in claim 2, is characterized in that: described the first chip and described the second chip and described smooth transmitting-receiving subassembly interval arrange and be opposing with described installed surface, and described the first chip and described the second chip are set up in parallel.
4. optical connector as claimed in claim 3, is characterized in that: described support member also comprises one and described installed surface end face connected vertically, forms multiple strip conducting strips that extend to described installed surface on described end face; Each conducting strip is L-shaped and comprise and be formed at the first paragraph on described end face and be formed at the second segment on described installed surface; Each photocell connects the second segment of corresponding two conducting strips by two first lead-in wires; Described the first chip is electrically connected to the first paragraph of corresponding two conducting strips by two second lead-in wires, and is electrically connected to a corresponding photocell by two the first lead-in wires that connect the second segment of described corresponding two conducting strips.
5. optical connector as claimed in claim 4, it is characterized in that: each light receiving element connects the second segment of corresponding two conducting strips by two first lead-in wires, described the second chip is electrically connected to the first paragraph of corresponding two conducting strips by two second lead-in wires, and is electrically connected to a corresponding light receiving element by two the first lead-in wires that connect the second segment of described corresponding two conducting strips.
6. optical connector as claimed in claim 4, is characterized in that: described support member made by insulating material and also comprise one with the opposing bottom surface of described end face, described underrun viscose glue affixes to described loading end.
7. optical connector as claimed in claim 1, is characterized in that: on described installed surface, be provided with at least two rectangular metal mounting mats, each photocell and each light receiving element are mounted to a corresponding mounting mat.
8. optical connector as claimed in claim 1, is characterized in that: the quantity of described at least one photocell and described at least one light receiving element is two; The quantity of described first lens and described the second lens is four.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310028866.9A CN103969758A (en) | 2013-01-25 | 2013-01-25 | Optical connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310028866.9A CN103969758A (en) | 2013-01-25 | 2013-01-25 | Optical connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103969758A true CN103969758A (en) | 2014-08-06 |
Family
ID=51239468
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310028866.9A Pending CN103969758A (en) | 2013-01-25 | 2013-01-25 | Optical connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103969758A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019195978A1 (en) * | 2018-04-09 | 2019-10-17 | 华为技术有限公司 | Laser, package structure of laser array, and package assembly |
| CN117318819A (en) * | 2023-11-29 | 2023-12-29 | 常州纵慧芯光半导体科技有限公司 | Optical transceiver structure and optical transceiver device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6953291B2 (en) * | 2003-06-30 | 2005-10-11 | Finisar Corporation | Compact package design for vertical cavity surface emitting laser array to optical fiber cable connection |
| CN102565968A (en) * | 2010-12-31 | 2012-07-11 | 鸿富锦精密工业（深圳）有限公司 | Optical fiber communication device |
| CN102854582A (en) * | 2011-08-31 | 2013-01-02 | 索尔思光电（成都）有限公司 | Optical transmitting assembly, optical transceiver and manufacturing and applying method |
-
2013
- 2013-01-25 CN CN201310028866.9A patent/CN103969758A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6953291B2 (en) * | 2003-06-30 | 2005-10-11 | Finisar Corporation | Compact package design for vertical cavity surface emitting laser array to optical fiber cable connection |
| CN102565968A (en) * | 2010-12-31 | 2012-07-11 | 鸿富锦精密工业（深圳）有限公司 | Optical fiber communication device |
| CN102854582A (en) * | 2011-08-31 | 2013-01-02 | 索尔思光电（成都）有限公司 | Optical transmitting assembly, optical transceiver and manufacturing and applying method |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019195978A1 (en) * | 2018-04-09 | 2019-10-17 | 华为技术有限公司 | Laser, package structure of laser array, and package assembly |
| CN111868589A (en) * | 2018-04-09 | 2020-10-30 | 华为技术有限公司 | Laser, packaging structure and packaging subassembly of laser array |
| CN111868589B (en) * | 2018-04-09 | 2022-10-04 | 华为技术有限公司 | Laser, packaging structure and packaging subassembly of laser array |
| CN117318819A (en) * | 2023-11-29 | 2023-12-29 | 常州纵慧芯光半导体科技有限公司 | Optical transceiver structure and optical transceiver device |
| CN117318819B (en) * | 2023-11-29 | 2024-02-23 | 常州纵慧芯光半导体科技有限公司 | Optical transceiver structure and optical transceiver device |
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Application publication date: 20140806 |