CN103323920B - Small compact pluggable optical module - Google Patents
Small compact pluggable optical module Download PDFInfo
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- CN103323920B CN103323920B CN201310219168.7A CN201310219168A CN103323920B CN 103323920 B CN103323920 B CN 103323920B CN 201310219168 A CN201310219168 A CN 201310219168A CN 103323920 B CN103323920 B CN 103323920B
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Abstract
A kind of small compact pluggable optical module, comprises base, housing, bidirectional transmit-receive assembly and printed circuit board (PCB); Base comprises main body and is arranged at the plug portion of main body one end, its sidewall is offered side by side two windows, plug portion offers two jacks offered along axis of the body; Housing is covered on described base; The receiving unit of bidirectional transmit-receive assembly is the pot package assembling that focal length is less than 4.5 millimeters, described bidirectional transmit-receive assembly comprises interface portion and is vertically installed in the reception pin in described interface portion, the interface portion of two described bidirectional transmit-receive assemblies aligns with two described jacks respectively, and the interface portion of two described bidirectional transmit-receive assemblies is arranged in two described windows respectively; Printed circuit board (PCB) is contained in described receiving space, and is fixed on described base, and described bidirectional transmit-receive assembly is electrically connected with described printed circuit board (PCB).Above-mentioned small compact pluggable optical module has the higher feature of space availability ratio, and possesses stronger data throughput capabilities.
Description
Technical field
The present invention relates to communication field, particularly relate to a kind of small compact pluggable optical module.
Background technology
Along with the development of Fibre Optical Communication Technology, optical transmission system proposes higher requirement to optical module, and optical module slowly strides forward towards directions such as Large Copacity, small size, low costs.Small compact pluggable optical module (CSFP, compact Small Form-Factor Pluggable) size and original SFP optical module (SFP, Small Form Factor-Pluggable) consistent, but its data throughout is higher, and its application is more and more extensive at present.
In traditional small compact pluggable optical module, because the volume being assemblied in bidirectional transmit-receive assembly is wherein larger, and small compact pluggable optical module is subject to multi-source agreement (MSA, Multi-SourceAgreement) constraint, therefore can only can only accommodate a bidirectional transmit-receive assembly in small compact pluggable optical module, its space availability ratio is not high.
Summary of the invention
Based on this, be necessary the small compact pluggable optical module providing a kind of space availability ratio higher.
A kind of small compact pluggable optical module, comprising:
Base, comprise main body and be arranged at the plug portion of described main body one end, described main body is strip structure, its sidewall is offered side by side two windows, described plug portion offers two jacks offered along axis of the body;
Housing, is covered on described base, and described housing and described base surround receiving space jointly;
Two bidirectional transmit-receive assemblies, the receiving unit of described bidirectional transmit-receive assembly is the pot package assembling that focal length is less than 4.5 millimeters, two described bidirectional transmit-receive assemblies are contained in described receiving space, and be juxtaposed on described base, described bidirectional transmit-receive assembly comprises interface portion, be vertically installed in the reception pin in described interface portion and be arranged at the transmitting pin of described interface portion afterbody, the interface portion of two described bidirectional transmit-receive assemblies aligns with two described jacks respectively, and the interface portion of two described bidirectional transmit-receive assemblies is coaxial with two jacks respectively;
Printed circuit board (PCB), is contained in described receiving space, and is fixed on described base, and described bidirectional transmit-receive assembly is electrically connected with described printed circuit board (PCB).
Wherein in an embodiment, also comprise a flexible PCB, described flexible PCB is rectangular multiple-limb shape structure, described flexible PCB comprises long branch end pad and short branch end pad, the long branch end pad of described flexible PCB is connected to the reception pin 134 of described bidirectional transmit-receive assembly, short branch end pad is connected to the transmitting pin 136 of described bidirectional transmit-receive assembly, is electrically connected by described flexible PCB to make described bidirectional transmit-receive assembly with described printed circuit board (PCB).
Wherein in an embodiment, the two ends of described flexible PCB are connected on described bidirectional transmit-receive assembly and described printed circuit board (PCB) respectively by the mode of welding.
Wherein in an embodiment, also comprise high-temperature insulation sheet, described high-temperature insulation sheet is arranged on the side of described main body away from described bidirectional transmit-receive assembly, and is covered by two described windows, and reception pin and the described high-temperature insulation sheet of described bidirectional transmit-receive assembly offset.
Wherein in an embodiment, side away from described bidirectional transmit-receive assembly also offers accepting groove to described main body, described accepting groove and described high-temperature insulation sheet suitable, described window is opened in the bottom land of described accepting groove, and described high-temperature insulation sheet is arranged in described accepting groove.
Wherein in an embodiment, also comprise cover plate, described cover plate is provided with tongue piece, side away from described bidirectional transmit-receive assembly offers draw-in groove to described main body, described tongue piece and described draw-in groove fasten, to make described cover plate be fixed on described base, and high-temperature insulation sheet described in described cover plate pressure holding.
Wherein in an embodiment, the edge of described cover plate is provided with flanging, and described flanging offers hole clipping, and described main body is provided with snap fit, and described snap fit and described hole clipping fasten.
Wherein in an embodiment, described plug portion is provided with chute; Described small compact pluggable optical module also comprises:
Slide block, is contained in described chute, described slide block is also provided with reference column;
Spring, one end is sheathed on described reference column, and the cell wall of the other end and described chute offsets; And
Draw ring, described draw ring is arranged in described plug portion rotationally, and described draw ring comprises grip part and abutting part, and described abutting part is contained in described chute, and offsets with described slide block.
Wherein in an embodiment, also comprise cover and threaded fastener, described cover is step-like, one side offers the slip breach suitable with described slide block, described plug portion also offers screw, described threaded fastener wears described cover and is screwed with described screw, to be fixed on described base by described cover.
Wherein in an embodiment, also comprise support, described support is strip structure, bidirectional transmit-receive assembly and described printed circuit board (PCB) described in described support pressure holding, to be fixed on described base by described bidirectional transmit-receive assembly and described printed circuit board (PCB), one end of described support is provided with semicircular indentations, and the sidewall of described semicircular indentations and the interface portion of described bidirectional transmit-receive assembly offset, the other end of described support is provided with projection, and described projection and described printed circuit board (PCB) offset.
In above-mentioned small compact pluggable optical module, the receiving unit of bidirectional transmit-receive assembly is the tank shape package assembling that focal length is less than 4.5 millimeters, its small volume, the receiving tube of bidirectional transmit-receive assembly is worn and is located in window simultaneously, effectively improve the utilization factor in space, make above-mentioned small compact pluggable optical module under the volume size not changing multi-source agreement defined and structure, the space availability ratio that two bidirectional transmit-receive assemblies make it overall can be comprised higher, and possess stronger data throughput capabilities.
Accompanying drawing explanation
Fig. 1 is the explosive view of the small compact pluggable optical module in present pre-ferred embodiments;
The local concrete structure figure that Fig. 2 is small compact pluggable optical module shown in Fig. 1;
The local concrete structure figure that Fig. 3 is another angle of small compact pluggable optical module shown in Fig. 1.
Embodiment
For the ease of understanding the present invention, below with reference to relevant drawings, the present invention is described more fully.Better embodiment of the present invention is given in accompanying drawing.But the present invention can realize in many different forms, is not limited to embodiment described herein.On the contrary, provide the object of these embodiments be make to disclosure of the present invention understand more thorough comprehensively.
It should be noted that, when element is called as " being fixed on " another element, directly can there is element placed in the middle in it on another element or also.When an element is considered to " connection " another element, it can be directly connected to another element or may there is centering elements simultaneously.Term as used herein " vertical ", " level ", "left", "right" and similar statement just for illustrative purposes, do not represent it is unique embodiment.
Unless otherwise defined, all technology used herein and scientific terminology are identical with belonging to the implication that those skilled in the art of the present invention understand usually.The object of term used in the description of the invention herein just in order to describe concrete embodiment, is not intended to be restriction the present invention.Term as used herein " and/or " comprise arbitrary and all combinations of one or more relevant Listed Items.
Refer to Fig. 1, small compact pluggable optical module 100 in present pre-ferred embodiments, comprises base 110, housing 120, bidirectional transmit-receive assembly 130, flexible PCB 140, printed circuit board (PCB) 150, first heat radiator 160, second heat radiator 170, high-temperature insulation sheet 180 and cover plate 190.
Base 110 comprises main body 112 and is arranged at the plug portion 114 of main body 112 one end.Main body 112 is strip structure, its sidewall is offered side by side two windows 116.Main body 112 is away from the side of bidirectional transmit-receive assembly 130 also offering accepting groove (figure does not mark), and window 116 is opened in the bottom land of accepting groove.Plug portion 114 carries out grafting for same external unit, plug portion 114 offers two jack 114a axially offered along main body 112.
Housing 120 can be made up of five metals material.Housing 120 is covered on base 110, and housing 120 and base 110 surround receiving space jointly.
Bidirectional transmit-receive assembly 130 is two.Be provided with optical fiber (not shown) in bidirectional transmit-receive assembly 130, it can the signal that sends of transmission apparatus itself, also can receive the signal imported into outside simultaneously.Specifically in the present embodiment, the receiving unit of bidirectional transmit-receive assembly 130 is the pot package assembling that focal length is less than 4.5 millimeters, its small volume.Two bidirectional transmit-receive assemblies 130 are contained in receiving space, and are juxtaposed on base 110,
Bidirectional transmit-receive assembly 130 comprises interface portion 132, the reception pot package assembling be vertically installed in interface portion 132 receives pin 134 and be arranged at the transmitting pin 136 of interface portion 132 afterbody, the interface portion 132 of two bidirectional transmit-receive assemblies 130 aligns with two jack 114a respectively, and the interface portion 132 of two bidirectional transmit-receive assemblies 130 is coaxial with two jack 114a respectively.The reception pin 134 of two bidirectional transmit-receive assemblies 130 is arranged in two windows 116 respectively.
Flexible PCB 140 is rectangular multiple-limb shape structure.Flexible PCB 140 comprises long branch end pad and short branch end pad.The long branch end pad of flexible PCB 140 is connected with the reception pin 134 of bidirectional transmit-receive assembly 130, and short branch end pad is connected with the transmitting pin 136 of bidirectional transmit-receive assembly 130.
Printed circuit board (PCB) 150 is contained in receiving space, and is fixed on base 110.Bidirectional transmit-receive assembly 130 is electrically connected with printed circuit board (PCB) 150.Specifically in the present embodiment, flexible PCB 140 is connected on printed circuit board (PCB) 150 away from one end of bidirectional transmit-receive assembly 130, is electrically connected by flexible PCB 140 to make bidirectional transmit-receive assembly 130 with printed circuit board (PCB) 150.Flexible PCB 140 is connected on printed circuit board (PCB) 150 by the mode of welding away from one end of bidirectional transmit-receive device 130.In traditional structure, adopt multiple separated flexible circuit board 140 to connect, the number of times of its required welding is more, affects production efficiency, increases cost.Compared with traditional structure, in the present embodiment, bidirectional transmit-receive assembly 130 is directly electrically connected with printed circuit board (PCB) 150 by flexible PCB 140, decreases welding times, improves reliability, reduce cost.
Be provided with boss 112a in the middle part of main body 112, printed circuit board (PCB) 150 is arranged on boss 112a, and the first heat radiator 160 fits with the side of printed circuit board (PCB) 150 towards base 110, and is held between printed circuit board (PCB) 150 and boss 112a.Second heat radiator 170 is arranged on the another side of printed circuit board (PCB) 150.In small compact pluggable optical module 100, add the first heat radiator 160 and the second heat radiator 170, the heat sent when printed circuit board (PCB) 150 can be worked distributes effectively.
See also Fig. 2, high-temperature insulation sheet 180 is arranged on the side of main body 112 away from bidirectional transmit-receive assembly 130, and is covered by two windows 116, and reception pin 134 and the high-temperature insulation sheet 180 of bidirectional transmit-receive assembly 130 offset.Concrete in the present embodiment, accepting groove and high-temperature insulation sheet 180 suitable, high-temperature insulation sheet 180 is arranged in accepting groove.
Cover plate 190 is provided with tongue piece 192, and the side away from bidirectional transmit-receive assembly 130 offers draw-in groove to main body 112, and tongue piece 192 and draw-in groove fasten, to make cover plate 190 be fixed on base 110, and cover plate 190 pressure holding high-temperature insulation sheet 180.The edge of cover plate 190 is also provided with flanging 194, and flanging 194 offers hole clipping 194a, and main body 112 is provided with snap fit 112b, and snap fit 112b and hole clipping 194a fastens, fixed to make between cover plate 190 and base 110.
In above-mentioned small compact pluggable optical module 100, the reception pin 134 of bidirectional transmit-receive assembly 130 is arranged in window 116, effectively improves the utilization factor in space.High-temperature insulation sheet 180 is by isolated with the shell wall of base 110 for the reception pin 134 of bidirectional transmit-receive assembly 130 simultaneously, can effectively prevent from occurring short circuit phenomenon between the reception pin 134 of bidirectional transmit-receive assembly 130 and base 110.
When being appreciated that insulating property between the reception pin 134 of bidirectional transmit-receive assembly 130 and base 110 are enough good, assembly such as high-temperature insulation sheet 180 grade all can omit.
See also Fig. 3, plug portion 114 is also provided with chute 118.Small compact pluggable optical module 100 also comprises slide block 310, spring 320, draw ring 330, cover 340, threaded fastener 350.
Slide block 310 is contained in chute 118, and slide block 310 is also provided with reference column.Spring 320 one end is sheathed on reference column, and the cell wall of the other end and chute 118 offsets.Spring 320 pairs of slide blocks 310 apply elastic force.
Draw ring 330 is arranged in plug portion 114 rotationally.Draw ring 330 comprises grip part 332 and abutting part 334, and abutting part 334 is contained in chute 118, and offsets with slide block 310.When not using draw ring 330, itself and plug portion 114 lean, to save space.When needs use draw ring 330, pull draw ring 330, abutting part 334 pairs of slide blocks 310 apply pressure, and spring 320 compresses, and draw ring 330 respect thereto 110 rotates, and pull and support small compact pluggable optical module 100 to facilitate user.
Cover 340 is step-like, one side offers the slip breach 342 suitable with slide block 310.Plug portion 114 also offers screw, and threaded fastener 350 wears cover 340 and is screwed with screw, to be fixed on base 110 by cover 340.Cover 340 is for fixing slide block 310.
Please again consult Fig. 1, small compact pluggable optical module 100 also can comprise support 360, and support 360 is strip structure.Support 360 pressure holding bidirectional transmit-receive assembly 130 and printed circuit board (PCB) 150, to be fixed on bidirectional transmit-receive assembly 130 and printed circuit board (PCB) 150 on base 110.One end of support 360 is provided with semicircular indentations (figure does not mark), and the sidewall of semicircular indentations and the interface portion 132 of bidirectional transmit-receive assembly 130 offset, and the other end of support 360 is provided with protruding 362, and protruding 362 offset with printed circuit board (PCB) 150.
In above-mentioned small compact pluggable optical module 100, the receiving unit of bidirectional transmit-receive assembly 130 is the pot package assembling that focal length is less than 4.5 millimeters, its small volume, the reception pin 134 of bidirectional transmit-receive assembly 130 is arranged in window 116 simultaneously, effectively improve the utilization factor in space, make above-mentioned small compact pluggable optical module 100 under the volume size not changing multi-source agreement defined and structure, two bidirectional transmit-receive assemblies 130 can be comprised, the space availability ratio making it overall is higher, and possesses stronger data throughput capabilities.
The above embodiment only have expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (9)
1. a small compact pluggable optical module, is characterized in that, comprising:
Base, comprise main body and be arranged at the plug portion of described main body one end, described main body is strip structure, its sidewall is offered side by side two windows, described plug portion offers two jacks offered along axis of the body;
Housing, is covered on described base, and described housing and described base surround receiving space jointly;
Two bidirectional transmit-receive assemblies, the receiving unit of described bidirectional transmit-receive assembly is the pot package assembling that focal length is less than 4.5 millimeters, two described bidirectional transmit-receive assemblies are contained in described receiving space, and be juxtaposed on described base, described bidirectional transmit-receive assembly comprises interface portion, be vertically installed in the reception pin in described interface portion and be arranged at the transmitting pin of described interface portion afterbody, the interface portion of two described bidirectional transmit-receive assemblies aligns with two described jacks respectively, and the interface portion of two described bidirectional transmit-receive assemblies is coaxial with two jacks respectively; The receiving tube of described bidirectional transmit-receive assembly is worn and is located in described window;
Printed circuit board (PCB), is contained in described receiving space, and is fixed on described base, and described bidirectional transmit-receive assembly is electrically connected with described printed circuit board (PCB);
Described small compact pluggable optical module also comprises a flexible PCB, described flexible PCB is rectangular multiple-limb shape structure, described flexible PCB comprises long branch end pad and short branch end pad, the long branch end pad of described flexible PCB is connected to the reception pin of described bidirectional transmit-receive assembly, short branch end pad is connected to the transmitting pin of described bidirectional transmit-receive assembly, is electrically connected by described flexible PCB to make described bidirectional transmit-receive assembly with described printed circuit board (PCB).
2. small compact pluggable optical module according to claim 1, is characterized in that, the two ends of described flexible PCB are connected on described bidirectional transmit-receive assembly and described printed circuit board (PCB) respectively by the mode of welding.
3. small compact pluggable optical module according to claim 1, it is characterized in that, also comprise high-temperature insulation sheet, described high-temperature insulation sheet is arranged on the side of described main body away from described bidirectional transmit-receive assembly, and two described windows are covered, reception pin and the described high-temperature insulation sheet of described bidirectional transmit-receive assembly offset.
4. small compact pluggable optical module according to claim 3, it is characterized in that, side away from described bidirectional transmit-receive assembly also offers accepting groove to described main body, described accepting groove and described high-temperature insulation sheet suitable, described window is opened in the bottom land of described accepting groove, and described high-temperature insulation sheet is arranged in described accepting groove.
5. small compact pluggable optical module according to claim 4, it is characterized in that, also comprise cover plate, described cover plate is provided with tongue piece, side away from described bidirectional transmit-receive assembly offers draw-in groove to described main body, described tongue piece and described draw-in groove fasten, to make described cover plate be fixed on described base, and high-temperature insulation sheet described in described cover plate pressure holding.
6. small compact pluggable optical module according to claim 5, is characterized in that, the edge of described cover plate is provided with flanging, and described flanging offers hole clipping, and described main body is provided with snap fit, and described snap fit and described hole clipping fasten.
7. small compact pluggable optical module according to claim 1, is characterized in that, described plug portion is provided with chute; Described small compact pluggable optical module also comprises:
Slide block, is contained in described chute, described slide block is also provided with reference column;
Spring, one end is sheathed on described reference column, and the cell wall of the other end and described chute offsets; And
Draw ring, described draw ring is arranged in described plug portion rotationally, and described draw ring comprises grip part and abutting part, and described abutting part is contained in described chute, and offsets with described slide block.
8. small compact pluggable optical module according to claim 7, it is characterized in that, also comprise cover and threaded fastener, described cover is step-like, one side offers the slip breach suitable with described slide block, described plug portion also offers screw, and described threaded fastener wears described cover and is screwed with described screw, to be fixed on described base by described cover.
9. small compact pluggable optical module according to claim 1, it is characterized in that, also comprise support, described support is strip structure, bidirectional transmit-receive assembly and described printed circuit board (PCB) described in described support pressure holding, so that described bidirectional transmit-receive assembly and described printed circuit board (PCB) are fixed on described base, one end of described support is provided with semicircular indentations, the sidewall of described semicircular indentations and the interface portion of described bidirectional transmit-receive assembly offset, the other end of described support is provided with projection, and described projection and described printed circuit board (PCB) offset.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310219168.7A CN103323920B (en) | 2013-06-04 | 2013-06-04 | Small compact pluggable optical module |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310219168.7A CN103323920B (en) | 2013-06-04 | 2013-06-04 | Small compact pluggable optical module |
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| CN103323920A CN103323920A (en) | 2013-09-25 |
| CN103323920B true CN103323920B (en) | 2015-08-05 |
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Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104345414B (en) * | 2014-10-31 | 2016-08-31 | 武汉电信器件有限公司 | Module backing type installs discharge mechanism |
| CN105652392B (en) * | 2014-11-20 | 2019-01-08 | 海思光电子有限公司 | The pluggable optical module of tape light |
| WO2016127325A1 (en) * | 2015-02-11 | 2016-08-18 | 叶宏亮 | Optical module structure |
| CN110187457A (en) * | 2015-12-04 | 2019-08-30 | 青岛海信宽带多媒体技术有限公司 | A kind of optical module |
| CN106249363B (en) * | 2016-08-31 | 2018-01-19 | 苏州松翔电通科技有限公司 | The base assembled fixture of optical fiber receiver-transmitter module |
| CN106772832A (en) * | 2016-11-30 | 2017-05-31 | 武汉联特科技有限公司 | A kind of integrated module of optical transceiver |
| CN109116478B (en) * | 2017-06-26 | 2020-11-24 | 台达电子工业股份有限公司 | Pluggable transceiver module |
| CN107357007B (en) * | 2017-06-27 | 2019-08-27 | 青岛海信宽带多媒体技术有限公司 | Optical module |
| CN108121035A (en) * | 2017-12-28 | 2018-06-05 | 青岛海信宽带多媒体技术有限公司 | A kind of optical module |
| CN112285848B (en) * | 2020-01-20 | 2021-12-07 | 深圳市欧博凯科技有限公司 | Heat dissipation type single/double fiber pluggable optical module and assembling method thereof |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001298217A (en) * | 2000-04-13 | 2001-10-26 | Sumitomo Electric Ind Ltd | Optical module |
| CN2876809Y (en) * | 2006-03-09 | 2007-03-07 | 深圳飞通光电子技术有限公司 | Small SFP single fiber double port light transceiving integrated module |
| CN201369726Y (en) * | 2008-12-10 | 2009-12-23 | 成都新易盛通信技术有限公司 | Photoelectric transceiver die |
| CN201928285U (en) * | 2010-11-12 | 2011-08-10 | 武汉华工正源光子技术有限公司 | Integrated optical receiving-transmitting module with special assembly structure |
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