CN106772833A - A kind of optical module - Google Patents
A kind of optical module Download PDFInfo
- Publication number
- CN106772833A CN106772833A CN201611115734.XA CN201611115734A CN106772833A CN 106772833 A CN106772833 A CN 106772833A CN 201611115734 A CN201611115734 A CN 201611115734A CN 106772833 A CN106772833 A CN 106772833A
- Authority
- CN
- China
- Prior art keywords
- optical module
- housing
- conductor
- shaped
- shaped electric
- Prior art date
- 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.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/42—Coupling light guides with opto-electronic elements
- G02B6/4201—Packages, e.g. shape, construction, internal or external details
- G02B6/4274—Electrical aspects
- G02B6/4277—Protection against electromagnetic interference [EMI], e.g. shielding means
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K9/00—Screening of apparatus or components against electric or magnetic fields
- H05K9/0007—Casings
- H05K9/0009—Casings with provisions to reduce EMI leakage through the joining parts
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K9/00—Screening of apparatus or components against electric or magnetic fields
- H05K9/0007—Casings
- H05K9/0058—Casings specially adapted for optoelectronic applications
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
- Optical Couplings Of Light Guides (AREA)
Abstract
The invention discloses a kind of optical module, optical module technical field is applied to, the effectiveness for improving pluggable optical module.The optical module includes housing, and is connected to the emi shield clip on housing, and emi shield clip includes C-shaped sheet metal, and is fixed on the multiple metal clips on the side of C-shaped sheet metal one, and C-shaped electric-conductor is set between housing and C-shaped sheet metal；When pluggable optical module inserts optical module cage, C-shaped electric-conductor can block the gap between housing and emi shield clip, there is elastic deformation by the extruding of the fast cage inner surface of optical mode in multiple metal clips, block the space between housing and optical module cage, and then elimination electromagnetic shielding folder contacts formed gap with the face of the housing of pluggable optical module, reaches expected effectiveness.
Description
Technical field
The present invention relates to optical module technical field, more particularly to a kind of optical module.
Background technology
Fig. 1 is the partial sectional view of pluggable optical module in the prior art, and Fig. 2 is the A portions enlarged drawing of Fig. 1, including housing
01 and the emi shield clip 02 that is connected on housing 01, when the pluggable optical module inserts optical module cage 03,
Emi shield clip 02 is located between the outer surface of housing 01 and the inner surface of optical module cage 03, so as to prevent optical module cage
Electromagnetic wave in son 03 is revealed between the inner surface of the outer surface of housing 01 and optical module cage 03.
In pluggable optical module of the prior art, emi shield clip 02 with housing 01 for face contacts, due to technique
The limitation of precision so that the inner surface of emi shield clip 02 and the outer surface of housing 01 can not fit completely, cause electromagnetism
There is gap 04 between interference shielding folder 02 and housing 01, the electromagnetic wave in optical module cage 03 can leak to light by gap 04
Outside module cage 03, neighbouring other electronic equipments are interfered.
To sum up, when pluggable optical module inserts optical module cage, electromagnetic shielding folder and the housing of pluggable optical module it
Between due to be face contact, it is difficult to reach good electric overlap joint, so as to form gap, the electromagnetic wave in optical module cage can be from this
Gap radiation is gone out, and does not reach expected effectiveness.
The content of the invention
The present invention provides a kind of optical module, is used to improve the effectiveness of optical module.
The embodiment of the present invention provides a kind of optical module, including：It is dry including housing, and clamping electromagnetism on the housing
Shield clip is disturbed, the emi shield clip includes C-shaped sheet metal, and is fixed on many on the side of C-shaped sheet metal one
Individual metal clips；
C-shaped electric-conductor is provided between the housing and the C-shaped sheet metal；
When the pluggable optical module insert optical module cage when, the C-shaped electric-conductor can block the housing with it is described
Gap between emi shield clip；There is elasticity by the extruding of the fast cage inner surface of the optical mode in the multiple metal clips
Deformation, blocks the space between the housing and the optical module cage.
Pluggable optical module provided in an embodiment of the present invention, it is conductive due to being provided with C-shaped between housing and C-shaped sheet metal
Part, when pluggable optical module inserts optical module cage, the opening that C-shaped sheet metal first passes through optical module cage enters optical module cage
In sub, C-shaped sheet metal extrudes the C-shaped electric-conductor of surface of shell, and C-shaped electric-conductor can be blocked between housing and emi shield clip
Gap, emi shield clip and surface of shell is produced good electrical contact, so as to prevent the electricity in optical module cage
Magnetic wave is revealed at the gap between emi shield clip and housing；Then multiple metal clips are subject to table in optical module cage
There is elastic deformation in the extruding in face, so as to prevent the space closure between housing and optical module cage in optical module cage
Electromagnetic wave is revealed between housing and optical module cage, and then reduces electromagenetic wave radiation, is also avoided to other electricity nearby
Sub- equipment is interfered.
Brief description of the drawings
Accompanying drawing is used for providing a further understanding of the present invention, and constitutes a part for specification, implements with the present invention
Example is used to explain the present invention together, is not construed as limiting the invention.In the accompanying drawings：
Fig. 1 is the partial sectional view of pluggable optical module in the prior art；
Fig. 2 is the A portions enlarged drawing of Fig. 1；
Fig. 3 is the partial sectional view of pluggable optical module in the prior art；
Fig. 4 is the structural representation of emi shield clip in the prior art；
Fig. 5 to Fig. 8 is the structural representation of pluggable optical module provided in an embodiment of the present invention.
Specific embodiment
In order that technical problem solved by the invention, technical scheme and it is effective become more apparent, below in conjunction with
Figure of description is illustrated to the preferred embodiments of the present invention, it will be appreciated that preferred embodiment described herein is only used for
The description and interpretation present invention, is not intended to limit the present invention.And in the case where not conflicting, embodiment and reality in the application
Applying the feature in example can be mutually combined.
In the description of the invention, it is to be understood that term " " center ", " on ", D score, "front", "rear", " left side ",
The orientation or position relationship of the instruction such as " right side ", " vertical ", " level ", " top ", " bottom ", " interior ", " outward " are based on shown in the drawings
Orientation or position relationship, are for only for ease of the description present invention and simplify and describe, rather than indicate or imply signified device or
Element with specific orientation, with specific azimuth configuration and operation, therefore must be not considered as limiting the invention.
In the description of the invention, unless otherwise indicated, " multiple " is meant that two or more.
In order to prevent the electromagnetic wave in optical module cage from being revealed at the gap between emi shield clip and housing, such as
Shown in Fig. 3 and Fig. 4, electric-conductor 3 can be set between the housing 1 of pluggable optical module (such as SFP) and emi shield clip 2,
Electric-conductor 3 is that between the metal clips 22 and housing 1 of emi shield clip 2, electric-conductor 3 is conducting foam.But it is this
Way has the drawback that：The pluggable optical module housing first, the metal clips 22 that folder 2 is electromagnetically shielded in plug motion can rub
The conducting foam on 1 surface, can cause conducting foam to damage scaling-off, easily bring short-circuit hidden danger；Second, conducting foam jack-up metal
Shell fragment 22, influences the elasticity of shell fragment, it is difficult to control the frictional force between shell fragment and cage.
Formed gap is contacted with the face of the housing of pluggable optical module in order to eliminate electromagnetic shielding folder, is reached expected
Effectiveness, the embodiment of the present invention provides a kind of specific embodiment of optical module referring to Fig. 5 and Fig. 8.
Optical module in the present embodiment can be pluggable optical module, including housing 1, and be connected to the electricity on housing 1
Magnetic disturbance shield clip 2, emi shield clip 2 includes C-shaped sheet metal 21, and is fixed on the side of C-shaped sheet metal 21 1
Multiple metal clips 22, are provided with C-shaped electric-conductor 6 between housing 1 and C-shaped sheet metal 21；
When pluggable optical module inserts optical module cage 4, C-shaped electric-conductor 6 can block housing 1 and emi shield clip
Gap between 2；There is elastic deformation in the multiple metal clips, block described by the extruding of the fast cage inner surface of the optical mode
Space between housing and the optical module cage.
In preferred embodiment, C-shaped electric-conductor 6 has elasticity, and C-shaped electric-conductor 6 is squeezed deformable.So can be by C
It is thicker that shape electric-conductor 6 is set, and when emi shield clip 2 is connected on housing 1, emi shield clip 2 can extrude C-shaped
Electric-conductor 6 so that the effect that C-shaped electric-conductor 6 blocks gap between housing 1 and emi shield clip 2 is more preferable.In addition, C-shaped is led
Electric part 6 can cause that emi shield clip 2 is easier and be connected on housing 1 with certain elasticity.
Pluggable optical module provided in an embodiment of the present invention, due to being provided with bullet between housing 1 and C-shaped sheet metal 21
Property C-shaped electric-conductor 6, when pluggable optical module insert optical module cage 4 when, C-shaped sheet metal 21 first passes through optical module cage 4
Opening enters in optical module cage 4, the C-shaped electric-conductor 6 on the extruding housing 1 of C-shaped sheet metal 21 surface, has resilient C-shaped conductive
Part 6 can block the gap between housing 1 and emi shield clip 2, emi shield clip 2 is produced with the surface of housing 1 good
Good electrical contact, so as to prevent gap of the electromagnetic wave in optical module cage 4 between emi shield clip 2 and housing 1
Place's leakage, then at the opening of the multiple arrival optical module of metal clips 22 cages 4, now multiple metal clips 22 are subject to optical module
There is elastic deformation in the extruding of the inner surface of cage 4, so as to by the space closure between housing 1 and optical module cage 4, prevent optical mode
Electromagnetic wave in block cage 4 is revealed between housing 1 and optical module cage 4, and then reduces electromagenetic wave radiation, is also avoided
Neighbouring other electronic equipments are interfered.
In preferred embodiment, multiple metal clips 22 are uniformly arranged, when pluggable optical module insertion optical module cage 4
When, there is uniform elastic deformation by the extruding of the fast cage inner surface of optical mode in multiple metal clips 22, preferably block housing 1 with
Space between optical module cage 4.
In preferred embodiment, C-shaped electric-conductor 6 is fixed in the C-shaped groove 7 on the surface of housing 1, and C-shaped electric-conductor 6 is higher than
The surface of housing 1.So, C-shaped electric-conductor 6 can be compressed into C-shaped groove 7 by emi shield clip 2, so that electromagnetic interference
Good electrical bonding is formed between shield clip 2 and housing 1；When pluggable optical module inserts optical module cage 4, electromagnetic interference screen
The multiple metal clips 22 and optical module cage 4 for covering folder 2 form excellent electric contact, and having resilient C-shaped electric-conductor 6 can make electromagnetism
The gap formed between interference shielding folder 2 and housing 1 is eliminated, and forms good between such housing 1 and emi shield clip 2
Electrical contact, realizes and efficiently shields the electromagnetic wave that thus shields between optical module cage 4 and housing 1 from electromagnetic interference screen
Cover folder 2 forward ends radiation.
In preferred embodiment, the depth of C-shaped groove 7 is 0.5 millimeter, and the width of C-shaped groove 7 is 1.5~2 millimeters
Left and right,
Optionally, C-shaped electric-conductor 6 is be bonded with C-shaped groove 7 by conducting resinl.Conducting resinl not only has good electric conductivity,
Similar or inhomogeneous various materials can also be connected, the limitation to material is few, and adhesive property is good, more convenient operation can simplify
Processing technology.
In preferred embodiment, it is 30%~40% that C-shaped electric-conductor 6 is higher by the part proportion of housing 1, to ensure C-shaped
Electric-conductor 6 is effectively compressed, and makes the good overlap joint of C-shaped electric-conductor 6 and emi shield clip 2.
In preferred embodiment, the opening shape of C-shaped groove 7 is V-type, reference picture 6.The opening shape of C-shaped groove 7 is V
During type, for the elastic deformation of C-shaped electric conductor provides receiving space.In optional embodiment, the opening shape of C-shaped groove 7 is square
Shape, reference picture 5.
In preferred embodiment, the length of the width less than C-shaped sheet metal 21 of C-shaped electric-conductor 6, it is to avoid to pluggable optical mode
Block into and out impacting, while also saving cost.
C-shaped electric-conductor 6 is conducting foam or conductive rubber, and the embodiment of the present invention is not limited this.
In a kind of alternative embodiment, C-shaped electric-conductor 6 be conducting foam, conducting foam it is elastic good, when on housing 1 peace
Conducting foam is installed, then when installing emi shield clip 2, the compression degree of conducting foam is big, dry to electromagnetism so as to avoid
The installation for disturbing shield clip 2 brings inconvenience.
In a kind of alternative embodiment, C-shaped electric-conductor 6 is conductive rubber, and conductive rubber not only conducts electricity very well, shielding properties
Height, and ageing-resistant, easy-formation, stability are more preferably, can extend the service life of pluggable optical module.
, but those skilled in the art once know basic creation although preferred embodiments of the present invention have been described
Property concept, then can make other change and modification to these embodiments.So, appended claims are intended to be construed to include excellent
Select embodiment and fall into having altered and changing for the scope of the invention.
Obviously, those skilled in the art can carry out various changes and modification without deviating from essence of the invention to the present invention
God and scope.So, if these modifications of the invention and modification belong to the scope of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to comprising these changes and modification.
Claims (10)
1. a kind of optical module, including housing, and clamping emi shield clip on the housing, the electromagnetic interference screen
Covering folder includes C-shaped sheet metal, and is fixed on the multiple metal clips on the side of C-shaped sheet metal one, it is characterised in that
C-shaped electric-conductor is provided between the housing and the C-shaped sheet metal；
When the pluggable optical module inserts optical module cage, the C-shaped electric-conductor can block the housing with the electromagnetism
There is elasticity by the extruding of the fast cage inner surface of the optical mode and become in the gap between interference shielding folder, the multiple metal clips
Shape, blocks the space between the housing and the optical module cage.
2. optical module according to claim 1, it is characterised in that the C-shaped electric-conductor has elasticity.
3. optical module according to claim 2, it is characterised in that
The C-shaped electric-conductor is fixed in the C-shaped groove of the surface of shell, and the C-shaped electric-conductor is higher than the housing table
Face.
4. optical module according to claim 3, it is characterised in that the C-shaped electric-conductor is higher by shared by the housing parts
Ratio is 30%~40%.
5. optical module according to claim 3, it is characterised in that the width of the C-shaped electric-conductor is less than the C-shaped metal
The length of piece.
6. optical module according to claim 3, it is characterised in that the opening shape of the C-shaped groove is V-type.
7. optical module according to claim 1, it is characterised in that the C-shaped electric-conductor is conducting foam.
8. optical module according to claim 1, it is characterised in that the C-shaped electric-conductor is conductive rubber.
9. optical module according to claim 3, it is characterised in that the C-shaped electric-conductor passes through conducting resinl and the C-shaped ditch
Groove is bonded.
10. optical module according to claim 1, it is characterised in that the multiple metal clips is uniformly arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611115734.XA CN106772833A (en) | 2016-12-07 | 2016-12-07 | A kind of optical module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611115734.XA CN106772833A (en) | 2016-12-07 | 2016-12-07 | A kind of optical module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106772833A true CN106772833A (en) | 2017-05-31 |
Family
ID=58877125
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611115734.XA Pending CN106772833A (en) | 2016-12-07 | 2016-12-07 | A kind of optical module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106772833A (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108061948A (en) * | 2017-12-28 | 2018-05-22 | 青岛海信宽带多媒体技术有限公司 | A kind of optical module |
| CN108983373A (en) * | 2018-08-06 | 2018-12-11 | 山东华云光电技术有限公司 | Pluggable optical module |
| CN110121254A (en) * | 2019-05-30 | 2019-08-13 | 武汉华工正源光子技术有限公司 | The production method of the optical port electromagnetic armouring structure of optical module, optical module and optical module |
| CN112433310A (en) * | 2020-12-17 | 2021-03-02 | 成都优博创通信技术有限公司 | Optical module and optical module subassembly |
| CN114077017A (en) * | 2020-08-13 | 2022-02-22 | 青岛海信宽带多媒体技术有限公司 | Optical module |
| CN115097581A (en) * | 2022-07-21 | 2022-09-23 | 青岛海信宽带多媒体技术有限公司 | Optical module |
| WO2023051553A1 (en) * | 2021-09-30 | 2023-04-06 | 华为技术有限公司 | Optical module cage assembly and optical communication apparatus |
| WO2023138151A1 (en) * | 2022-01-18 | 2023-07-27 | 苏州旭创科技有限公司 | Optical module |
| WO2024016711A1 (en) * | 2022-07-21 | 2024-01-25 | 青岛海信宽带多媒体技术有限公司 | Optical module |
| WO2024055750A1 (en) * | 2022-09-14 | 2024-03-21 | 北京星网锐捷网络技术有限公司 | Communication device |
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| US20110206328A1 (en) * | 2010-02-25 | 2011-08-25 | Emcore Corporation | Optoelectronic module with emi shield |
| US8622770B2 (en) * | 2011-12-01 | 2014-01-07 | Finisar Corporation | Electromagnetic radiation shield for an electronic module |
| CN203691413U (en) * | 2014-01-10 | 2014-07-02 | 深圳新飞通光电子技术有限公司 | Anti-electromagnetic interference light transceiver module |
| CN203708259U (en) * | 2014-03-06 | 2014-07-09 | 深圳新飞通光电子技术有限公司 | Anti-electromagnetic interference SFP light transmit-receive module |
| CN105403964A (en) * | 2015-12-04 | 2016-03-16 | 青岛海信宽带多媒体技术有限公司 | Pluggable optical module |
-
2016
- 2016-12-07 CN CN201611115734.XA patent/CN106772833A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110206328A1 (en) * | 2010-02-25 | 2011-08-25 | Emcore Corporation | Optoelectronic module with emi shield |
| US8622770B2 (en) * | 2011-12-01 | 2014-01-07 | Finisar Corporation | Electromagnetic radiation shield for an electronic module |
| CN203691413U (en) * | 2014-01-10 | 2014-07-02 | 深圳新飞通光电子技术有限公司 | Anti-electromagnetic interference light transceiver module |
| CN203708259U (en) * | 2014-03-06 | 2014-07-09 | 深圳新飞通光电子技术有限公司 | Anti-electromagnetic interference SFP light transmit-receive module |
| CN105403964A (en) * | 2015-12-04 | 2016-03-16 | 青岛海信宽带多媒体技术有限公司 | Pluggable optical module |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108061948B (en) * | 2017-12-28 | 2019-12-24 | 青岛海信宽带多媒体技术有限公司 | Optical module |
| CN108061948A (en) * | 2017-12-28 | 2018-05-22 | 青岛海信宽带多媒体技术有限公司 | A kind of optical module |
| CN108983373A (en) * | 2018-08-06 | 2018-12-11 | 山东华云光电技术有限公司 | Pluggable optical module |
| CN110121254B (en) * | 2019-05-30 | 2024-04-26 | 武汉华工正源光子技术有限公司 | Optical port electromagnetic shielding structure of optical module, optical module and manufacturing method of optical module |
| CN110121254A (en) * | 2019-05-30 | 2019-08-13 | 武汉华工正源光子技术有限公司 | The production method of the optical port electromagnetic armouring structure of optical module, optical module and optical module |
| CN114077017A (en) * | 2020-08-13 | 2022-02-22 | 青岛海信宽带多媒体技术有限公司 | Optical module |
| CN112433310A (en) * | 2020-12-17 | 2021-03-02 | 成都优博创通信技术有限公司 | Optical module and optical module subassembly |
| WO2023051553A1 (en) * | 2021-09-30 | 2023-04-06 | 华为技术有限公司 | Optical module cage assembly and optical communication apparatus |
| WO2023138151A1 (en) * | 2022-01-18 | 2023-07-27 | 苏州旭创科技有限公司 | Optical module |
| CN115097581A (en) * | 2022-07-21 | 2022-09-23 | 青岛海信宽带多媒体技术有限公司 | Optical module |
| CN115097581B (en) * | 2022-07-21 | 2024-04-05 | 青岛海信宽带多媒体技术有限公司 | Optical module |
| WO2024016711A1 (en) * | 2022-07-21 | 2024-01-25 | 青岛海信宽带多媒体技术有限公司 | Optical module |
| WO2024055750A1 (en) * | 2022-09-14 | 2024-03-21 | 北京星网锐捷网络技术有限公司 | Communication device |
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| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170531 |
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| RJ01 | Rejection of invention patent application after publication |