CN101852902B - Optical transceiver, optical communication sub-module and insulated sleeve thereof - Google Patents
Optical transceiver, optical communication sub-module and insulated sleeve thereof Download PDFInfo
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- CN101852902B CN101852902B CN2009101279976A CN200910127997A CN101852902B CN 101852902 B CN101852902 B CN 101852902B CN 2009101279976 A CN2009101279976 A CN 2009101279976A CN 200910127997 A CN200910127997 A CN 200910127997A CN 101852902 B CN101852902 B CN 101852902B
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- optical communication
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Abstract
The invention relates to an insulated sleeve of an optical communication sub-module. The insulated sleeve comprises a body and a first clamping part, wherein the body is sleeved on an outer sleeve part of the optical communication module, and the first clamping part is formed on the outer surface of the body and clamped with a second clamping part of an accommodation chamber of an optical transceiver shell so that the optical communication sub-module is clamped in the accommodation chamber. The invention simultaneously discloses an optical communication sub-module comprising the insulated sleeve as well as an optical transceiver.
Description
Technical field
The present invention is about a kind of optical transceiver, optical communication sub-module and exhausted source sleeve pipe thereof, and wherein this insulating sleeve is set on the optical communication sub-module, in order to the housing and the optical communication sub-module of electrically isolated optical transceiver.
Background technology
Optical fiber communication as signal carrier, can obtain broad frequency range with light, can transmit great deal of information.
The light emission secondary module of existing optical transceiver is by the metal sleeve of light emission secondary module, shield electromagnetic interference.Metal sleeve is connected to the grounding pin of light emission secondary module, and the grounding parts with printed circuit board (PCB) electrically connects again, can be with the electromagnetic interference noise that brings out on the metal sleeve by grounding pin ground connection.
Yet; The metal sleeve of light emission secondary module fixes in the metal shell of optical transceiver; Make the metal shell of light emission secondary module and optical transceiver (cross talk) phenomenon of crosstalking, and influence the electromagnetic compatibility (EMC) and the Electrostatic Discharge protective capacities of optical transceiver.
Summary of the invention
Because above-mentioned problem; The object of the invention is for providing a kind of optical transceiver, optical communication sub-module and exhausted source sleeve pipe thereof; Wherein this insulating sleeve is set on the optical communication sub-module; In order to the housing and the optical communication sub-module of electrically isolated optical transceiver, avoid optical communication sub-module to become electromagnetic interference source, and improve the electromagnetic compatibility (EMC) and the electro-static discharge protective ability of optical transceiver.
For reaching above-mentioned purpose, the present invention provides a kind of insulating sleeve of optical communication sub-module, and it comprises the body and first holding section.Body is in order in the outer sleeve portion that is set in this optical communication sub-module, and first holding section is formed on the outside surface of this body, in order to engage with second holding section of the accommodation chamber of the housing of optical transceiver, optical communication sub-module is fixed in accommodation chamber.
The present invention provides a kind of optical communication sub-module also is provided, and it comprises outer sleeve portion and insulating sleeve.Insulating sleeve is set in the outer sleeve portion, and fixes in the accommodation chamber of the housing of optical transceiver by insulating sleeve, and the housing of optical transceiver and optical communication sub-module are electrically completely cut off.
The present invention also provides a kind of optical transceiver, and it comprises housing and optical communication sub-module.Housing has an accommodation chamber, and optical communication sub-module comprises insulating sleeve, is set on the optical communication sub-module, and fixes in accommodation chamber by insulating sleeve, makes the housing of optical transceiver and this optical communication sub-module electrically isolated.
Hold the above; Optical transceiver provided by the invention, optical communication sub-module and exhausted source sleeve pipe thereof; Wherein this insulating sleeve is set on the optical communication sub-module, in order to the housing and the optical communication sub-module of electrically isolated optical transceiver, makes the housing of laser diode and optical transceiver electrically isolated; The electromagnetic interference (EMI) that optical communication sub-module produces can produce shield effectiveness by its metal sleeve; And the electromagnetic interference noise on the metal sleeve is transmitted to the grounding parts of circuit board via the grounding pin of this optical communication sub-module, avoid optical communication sub-module to become electromagnetic interference source, and improve the electromagnetic compatibility (EMC) and the Electrostatic Discharge protective capacities of optical transceiver.In addition, when optical transceiver received extraneous electrostatic influence, static can be transmitted to the ground of system via housing, screw and electrostatic protection element, to promote the antistatic capacity of optical transceiver.
Description of drawings
Fig. 1 is the synoptic diagram of the optical transceiver of first embodiment of the invention;
Fig. 2 is the side view of the optical communication sub-module of first embodiment of the invention;
Fig. 3 is the sectional view of the optical communication sub-module of Fig. 2 along AA ' line segment;
Fig. 4 is the side view of the optical communication sub-module of second embodiment of the invention; And
Fig. 5 is the sectional view of the optical communication sub-module of Fig. 4 along BB ' line segment.
The main element symbol description
1: optical transceiver 10: housing
101: 103: the second holding sections of accommodation chamber
20,20 ': optical communication sub-module 21,21 ': insulating sleeve
211,211 ': 212: the first holding sections of body
215: accommodate cavity 23,23 ': outer sleeve portion
232: the second sleeves of 231: the first sleeves
25: inner sleeve
26: fiber optic tap (fiber stub) 27: light source module
271: laser diode 272: the light source sleeve part
274: base 275: grounding pin
28: hollow cavity 29: the switching tube
30: circuit board 301: grounding parts
40: screw
Embodiment
Below will a kind of optical transceiver, optical communication sub-module and insulating sleeve thereof according to the preferred embodiment of the present invention be described with reference to relevant drawings.
First embodiment
Fig. 1 is the synoptic diagram of the optical transceiver of first embodiment of the invention, and this optical transceiver 1 mainly comprises housing 10, optical communication sub-module 20 and circuit board 30.This housing 10 has accommodation chamber 101, and optical communication sub-module 20 comprises insulating sleeve 21, and insulating sleeve 21 is set on the optical communication sub-module 20, and fixes in accommodation chamber 101 by insulating sleeve 21, makes housing 10 and optical communication sub-module 20 electrically isolated.This optical communication sub-module 20 is preferably light emission secondary module.
As shown in Figure 1; This optical transceiver 1 also comprises screw 40; Its screw hole by circuit board 23 locks on housing 10; In order to electrically connecting the electrostatic protection element (not shown) on this housing 10 and the circuit board 30, this electrostatic protection element other end ground connection, this electrostatic protection element is preferably an electrostatic protection diode.When optical transceiver 1 received extraneous electrostatic influence, static can be via housing 10, screw 40 and electrostatic protection element conduction ground connection.
Fig. 2 is the side view of the optical communication sub-module of first embodiment of the invention, and Fig. 3 is the sectional view of the optical communication sub-module of Fig. 2 along AA ' line segment.This optical communication sub-module 20 mainly comprises insulating sleeve 21 and outer sleeve portion 23.
This insulating sleeve 21 is set in the outer sleeve portion 23 of optical communication sub-module 20, and insulating sleeve 21 is preferably a ring-shaped sleeve, and its material is preferably the material that plastics, bakelite or surface treatment become to have insulation characterisitic.This insulating sleeve 21 comprises the body 211 and first holding section 212; Body 211 has a perforation in order in the outer sleeve portion 23 that is set in optical communication sub-module 20; First holding section 212 is formed on the outside surface of body 211; In order to engage, optical communication sub-module 20 is fixed in accommodation chamber 101 with second holding section 103 of the accommodation chamber 101 of the housing 10 of optical transceiver 1.This outer sleeve portion 23 is made up of metal material, and the housing 10 of optical transceiver 1 is a metal shell, and insulating sleeve 21 is in order to the housing 10 and optical communication sub-module 20 of electrically isolated optical transceiver 1.Wherein this first holding section 212 is preferably the annular recessed portion that ring is located at the outside surface of this body 211, and this second holding section 103 is preferably an arcuation protuberance, and ring is located in this accommodation chamber 101.
Below illustrate further other elements of optical communication sub-module 20, insulating sleeve 21 of the present invention can be applicable to various optical communication sub-modules, not as limit.This optical communication sub-module 20 also comprises inner sleeve 25, fiber optic tap (fiber stub) 26 and light source module 27.Outer sleeve portion 23 comprises first sleeve 231 and second sleeve 232, and this first sleeve 231 engages with second sleeve 232, and first sleeve 231 is a metal with the material of this second sleeve 232.This inner sleeve 25 is arranged on the inboard of first sleeve 231 and second sleeve 232; Inner sleeve 25 is preferably a C jacket ring, and its material is preferably stupalith, first sleeve 231, inner sleeve 25 and second sleeve, the 232 common hollow cavities 28 that form; This fiber optic tap 26 is arranged on the inboard of this hollow cavity 28; Optical fiber can insert the outside of this hollow cavity 28 with plugging, because this inner sleeve 25 is provided with a profile groove (not shown), when optical fiber is inserted into inner sleeve 25; Can inner sleeve 25 be strutted, make optical fiber be prone to plug in inner sleeve 25.This inner sleeve 25 coats this fiber optic tap 26 and optical fiber (not shown), after the light signal that light source module 27 is sent is coupled with fiber optic tap 26, can transfer to optical fiber exactly, is gone out by Optical Fiber Transmission.This optical communication sub-module 20 also comprises switching tube 29, and in order to connect this first sleeve 231 of this light source module 27 and this outer sleeve portion 23, the light signal that this light source module 27 is sent after fiber optic tap 26 couplings, transfers to optical fiber, is gone out by Optical Fiber Transmission.
This light source module 27 mainly comprises laser diode 271 and light source sleeve part 272, and light source sleeve part 272 is in order to accommodate this laser diode 271, and the material of light source sleeve part 272 is a metal.This laser diode 271 comprises base 274 and grounding pin 275, and the material of base 274 is a metal.One end of grounding pin 275 and the base 274 of laser diode 271, light source sleeve part 272 and outer sleeve portion 23 electrically connect; Grounding pin 275 other ends are electrically connected to the grounding parts 301 of circuit board 30, and the electromagnetic interference (EMI) noise that makes optical communication sub-module 20 generations is via grounding pin 275 ground connection.
Second embodiment
Fig. 4 is the side view of the optical communication sub-module of second embodiment of the invention, and Fig. 5 is the sectional view of the optical communication sub-module of Fig. 4 along BB ' line segment.This optical communication sub-module 20 ' comprises insulating sleeve 21 ', outer sleeve portion 23 ' and light source module 27.
This optical communication sub-module 20 ' is explained as follows with these optical communication sub-module 20 differences.This insulating sleeve 21 ' is set in the outer sleeve portion 23 ' of optical communication sub-module 20 '.This insulating sleeve 21 ' mainly comprises the body 211 ' and first holding section 212, and body 211 ' has a perforation, and a side of perforation is set in this outer sleeve portion 23 ', and opposite side has the cavity of accommodating 215, supplies optical fiber to insert with plugging and accommodates cavity 215.First holding section 212 is formed on the outside surface of body 211 ', in order to engage with second holding section 103 of the accommodation chamber 101 of the housing 10 of optical transceiver 1, optical communication sub-module 20 ' is fixed in accommodation chamber 101.This outer sleeve portion 23 ' is made up of metal material, and the housing 10 of optical transceiver 1 is a metal shell, and insulating sleeve 21 ' is the housing 10 and optical communication sub-module 20 ' in order to electrically isolated optical transceiver 1.
The outer sleeve portion 23 ' of this optical communication sub-module 20 ' is connected with the light source sleeve part 272 of light source module 27, and the light signal that laser diode 271 is sent is gone out by Optical Fiber Transmission.Other of optical communication sub-module 20 are partly identical with optical communication sub-module 20, no longer in addition for giving unnecessary details.
In sum; Optical transceiver provided by the invention, optical communication sub-module and exhausted source sleeve pipe thereof; Wherein this insulating sleeve is set on the optical communication sub-module, in order to the housing and the optical communication sub-module of electrically isolated optical transceiver, makes laser diode 271 electrically isolated with the housing of optical transceiver; The electromagnetic interference (EMI) that optical communication sub-module produces can produce shield effectiveness by its metal sleeve; And the electromagnetic interference noise on the metal sleeve is transmitted to the grounding parts of circuit board via the grounding pin of this optical communication sub-module, and avoid optical communication sub-module to become electromagnetic interference source, and improve the electromagnetic compatibility and the static discharge of optical communication sub-module) protective capacities.In addition, when optical transceiver received extraneous electrostatic influence, static can be transmitted to the ground of system via housing, screw and electrostatic protection element, to promote the antistatic capacity of optical transceiver.
The above is merely illustrative, but not is restricted.Anyly do not break away from spirit of the present invention and category, and, all should comprise in the present invention its equivalent modifications of carrying out or change.
Claims (23)
1. optical communication sub-module, it comprises:
One outer sleeve portion, wherein this outer sleeve portion comprises one first sleeve and one second sleeve, this first sleeve and second spigot and faucet joint, the material of this first sleeve and this second sleeve is a metal;
One insulating sleeve is set in this outer sleeve portion, and fixes in an accommodation chamber of a housing of an optical transceiver by this insulating sleeve, and this housing of this optical transceiver and this optical communication sub-module are electrically completely cut off; And
One inner sleeve and a fiber optic tap; This inner sleeve is arranged on the inboard of this first sleeve and this second sleeve; The common hollow cavity that forms of this first sleeve, this inner sleeve and this second sleeve; This fiber optic tap is arranged on the inboard of this hollow cavity, and an optical fiber can insert the outside of this hollow cavity with plugging.
2. optical communication sub-module according to claim 1, wherein this insulating sleeve comprises:
One body is in order to be set in this outer sleeve portion; And
One first holding section is formed on the outside surface of this body, in order to engage with one second holding section of this accommodation chamber of this housing of this optical transceiver, this optical communication sub-module is fixed in this accommodation chamber.
3. optical communication sub-module according to claim 1, wherein this outer sleeve portion is made up of metal material, and this housing of this optical transceiver is a metal shell.
4. optical communication sub-module according to claim 1, wherein this insulating sleeve is a ring-shaped sleeve, the material of this insulating sleeve is the material that plastics, bakelite or surface treatment become to have insulation characterisitic.
5. according to the arbitrary described optical communication sub-module of claim 1 to 4, wherein this first holding section is an annular recessed portion that is located at the outside surface of this body, and this second holding section is an arcuation protuberance that is located in this accommodation chamber.
6. insulating sleeve according to claim 1, wherein this body has a perforation, and a side of this perforation is set in this outer sleeve portion, and opposite side has the cavity of accommodating, and an optical fiber can insert this with plugging and accommodate cavity.
7. optical communication sub-module according to claim 1; Wherein this inner sleeve is provided with a profile groove, is a C jacket ring, and coats this fiber optic tap and this optical fiber; When optical fiber is inserted into inner sleeve; Can inner sleeve be strutted, make optical fiber be prone in this inner sleeve, plug, the material of this inner sleeve is a stupalith.
8. optical communication sub-module according to claim 7, it also comprises a light source module, is connected with this outer sleeve portion, and this light source module comprises a laser diode and a light source sleeve part, and this light source sleeve part is in order to accommodate this laser diode.
9. optical communication sub-module according to claim 8; Wherein this laser diode comprises a base and a grounding pin; The material of this base is a metal; One end of this grounding pin and this base of this laser diode, this light source sleeve part and this outer sleeve portion electrically connect, and the other end is electrically connected to a grounding parts of a circuit board.
10. optical communication sub-module according to claim 8; It also comprises a switching tube; In order to the light source sleeve part that connects this light source module and this first sleeve of this outer sleeve portion, the light signal that this light source module is sent is after this fiber optic tap coupling; Transfer to this optical fiber, go out by this Optical Fiber Transmission.
11. optical communication sub-module according to claim 10, wherein this switching tube is a metal with the material of this light source sleeve part.
12. an optical transceiver, it comprises:
One housing has an accommodation chamber;
One optical communication sub-module comprises an insulating sleeve and an outer sleeve portion, and this insulating sleeve is set in this outer sleeve portion; And fix in this accommodation chamber by this insulating sleeve, this housing of this optical transceiver and this optical communication sub-module are electrically completely cut off, wherein; This outer sleeve portion is made up of metal material; This outer sleeve portion comprises one first sleeve and one second sleeve, this first sleeve and second spigot and faucet joint, and the material of this first sleeve and this second sleeve is a metal; And
One inner sleeve and a fiber optic tap; This inner sleeve is arranged on the inboard of this first sleeve and this second sleeve; The common hollow cavity that forms of this first sleeve, this inner sleeve and this second sleeve; This fiber optic tap is arranged on the inboard of this hollow cavity, and an optical fiber can insert the outside of this hollow cavity with plugging.
13. optical transceiver according to claim 12, wherein this housing is a metal shell.
14. optical transceiver according to claim 12, wherein this insulating sleeve is a ring-shaped sleeve, and the material of this insulating sleeve is the material that plastics, bakelite or surface treatment become to have insulation characterisitic.
15. optical transceiver according to claim 12, wherein this insulating sleeve comprises:
One body is in an outer sleeve portion that is set in this optical communication sub-module; And
One first holding section is formed on the outside surface of this body, in order to engage with one second holding section of this accommodation chamber of this housing, this optical communication sub-module is fixed in this accommodation chamber.
16. optical transceiver according to claim 15, wherein this first holding section is an annular recessed portion that is located at the outside surface of this body, and this second holding section is an arcuation protuberance that is located in this accommodation chamber.
17. optical transceiver according to claim 15, wherein this body also has a perforation, and a side of this perforation is set in this outer sleeve portion, and opposite side has the cavity of accommodating, and an optical fiber can insert this with plugging and accommodate cavity.
18. optical transceiver according to claim 12, wherein this inner sleeve is provided with a profile groove, is a C jacket ring, and coats this fiber optic tap and this optical fiber, when optical fiber is inserted into inner sleeve, can inner sleeve be strutted, and makes optical fiber be prone in inner sleeve, plug.
19. optical transceiver according to claim 18; Wherein this optical communication sub-module also comprises a light source module; Be connected with this outer sleeve portion, this light source module comprises a laser diode and a light source sleeve part, and this light source sleeve part is in order to accommodate this laser diode.
20. optical transceiver according to claim 19; It also comprises a switching tube; In order to this light source sleeve part of connecting this light source module and this first sleeve of this outer sleeve portion, the light signal that this light source module is sent is after this fiber optic tap coupling; Transfer to this optical fiber, go out by this Optical Fiber Transmission.
21. optical transceiver according to claim 19; Wherein this laser diode comprises a base and a grounding pin; The material of this base is a metal, and an end of this grounding pin and this base of this laser diode, this light source sleeve part and this outer sleeve portion electrically connect.
22. optical transceiver according to claim 21, it also comprises a circuit board, and it comprises a grounding parts, and the other end of this grounding pin is electrically connected to this grounding parts of this circuit board.
23. optical transceiver according to claim 15; It also comprises a circuit board, an electrostatic protection element and a screw; This circuit board comprises a screw hole; This screw is locked on this housing by this screw hole, and this screw electrically connects this electrostatic protection element on this housing and this circuit board, and the static of this housing that begins is received and ground connection by this electrostatic protection element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101279976A CN101852902B (en) | 2009-03-31 | 2009-03-31 | Optical transceiver, optical communication sub-module and insulated sleeve thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101279976A CN101852902B (en) | 2009-03-31 | 2009-03-31 | Optical transceiver, optical communication sub-module and insulated sleeve thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101852902A CN101852902A (en) | 2010-10-06 |
| CN101852902B true CN101852902B (en) | 2012-04-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009101279976A Expired - Fee Related CN101852902B (en) | 2009-03-31 | 2009-03-31 | Optical transceiver, optical communication sub-module and insulated sleeve thereof |
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| CN (1) | CN101852902B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103995326B (en) * | 2014-06-16 | 2016-03-09 | 无锡市恒英盛电子科技有限公司 | Optical module |
| CN106154433B (en) * | 2015-03-24 | 2019-01-15 | 青岛海信宽带多媒体技术有限公司 | A kind of optical module |
| DE102015109788A1 (en) | 2015-06-18 | 2016-12-22 | Osram Opto Semiconductors Gmbh | arrangement |
| CN105223662A (en) * | 2015-10-22 | 2016-01-06 | 江苏奥雷光电有限公司 | Antistatic light emitting devices, light receiving element and optical module |
| CN107329217A (en) * | 2015-11-17 | 2017-11-07 | 青岛海信宽带多媒体技术有限公司 | A kind of optical module |
| JP2018072396A (en) * | 2016-10-24 | 2018-05-10 | 日本オクラロ株式会社 | Optical module |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN2540712Y (en) * | 2002-05-31 | 2003-03-19 | 台达电子工业股份有限公司 | Optical fiber connecting terminal structure |
| CN2802528Y (en) * | 2005-06-29 | 2006-08-02 | 武汉电信器件有限公司 | Coaxial photoelectric assembly of high echo loss structure |
| CN2831513Y (en) * | 2005-04-08 | 2006-10-25 | 武汉电信器件有限公司 | Cleanable high return loss coaxial photoelectrical assembly |
| CN101222115A (en) * | 2007-01-10 | 2008-07-16 | 恩益禧电子股份有限公司 | Semiconductor laser module |
| CN101403812A (en) * | 2007-10-03 | 2009-04-08 | 安华高科技光纤Ip（新加坡）私人有限公司 | Optical receptacle having an electrically isolating ring |
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2009
- 2009-03-31 CN CN2009101279976A patent/CN101852902B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2540712Y (en) * | 2002-05-31 | 2003-03-19 | 台达电子工业股份有限公司 | Optical fiber connecting terminal structure |
| CN2831513Y (en) * | 2005-04-08 | 2006-10-25 | 武汉电信器件有限公司 | Cleanable high return loss coaxial photoelectrical assembly |
| CN2802528Y (en) * | 2005-06-29 | 2006-08-02 | 武汉电信器件有限公司 | Coaxial photoelectric assembly of high echo loss structure |
| CN101222115A (en) * | 2007-01-10 | 2008-07-16 | 恩益禧电子股份有限公司 | Semiconductor laser module |
| CN101403812A (en) * | 2007-10-03 | 2009-04-08 | 安华高科技光纤Ip（新加坡）私人有限公司 | Optical receptacle having an electrically isolating ring |
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| CN101852902A (en) | 2010-10-06 |
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