CN103323922B - A kind of active optical cable - Google Patents
A kind of active optical cable Download PDFInfo
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- CN103323922B CN103323922B CN201310285790.8A CN201310285790A CN103323922B CN 103323922 B CN103323922 B CN 103323922B CN 201310285790 A CN201310285790 A CN 201310285790A CN 103323922 B CN103323922 B CN 103323922B
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- electric power
- optical cable
- power connector
- optical
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Abstract
The present invention discloses a kind of active optical cable, comprise: electric power connector assembly, printed circuit-board assembly, cable assembly and shell, electric power connector assembly comprises electric power connector and is coated on the housing of electric power connector outside, the front end of electric power connector is provided with front connector, and its rear end is provided with rear connector; Printed circuit-board assembly comprises circuit board substrate, photoelectric conversion module and the joints of optical fibre, the front end of circuit board substrate and the rear connector grafting of electric power connector, photoelectric conversion module is connected on the optical module bonding pad of circuit board substrate rear end, and the outside of photoelectric conversion module is connected with the joints of optical fibre; Cable assembly comprises optical cable, stay pipe, grip tube, tail pipe, the front end of optical cable is connected with wire jumper module, and wire jumper module and the joints of optical fibre are of coupled connections, and the front end of shell has electric power connector pickup groove, its rear end has tail pipe pickup groove, and is provided with stay pipe pickup groove in shell.Environmental protection of the present invention, efficient, and highly versatile.
Description
Technical field
The present invention relates to a kind of active optical cable.
Background technology
The current communication technology is advanced by leaps and bounds, and particularly with the appearance of cloud computing concept, indicates becoming increasingly prosperous of information age, and it will become geometry level to increase to the transmission quantity of information requirement of the network communications technology.High-speed transfer has become more and more crucial, but depend on the link of the high-bandwidth capacity existed between high-speed communicating network node, even notebook personal computer, showing all gradually in the high speed data transfer demand of panel computer, there is the bottleneck of its technology in the solution based on copper cash.
At present, along with the increase of bandwidth demand, solution particularly based on copper cash becomes and has more been difficult to, such as, adopt the copper cabling of 10GBASE-CX4 standard, its transmission range is by so extremely limited that to be limited in about 15m, and be attended by the lifting of significant power consumption, and this kind of copper cabling is longer, its diameter is larger, quite heavy; In addition, at use universal standard electric power connector, as the AN connector of USB3.0 specification, it is when transmitting the high speed information of 10Gb/s, the length of the signal cable based on copper cash is limited in about 3m, and in data transmission procedure, be attended by great electric energy loss; In addition, adopt the signal cable transmission 10Gb based on copper cash and more high speed signal, its cost is high, and is the consumption to physical environment limited resources; Thus, the popularization of cloud computing technology is extremely unfavorable for.
Summary of the invention
The object of the invention is to for the problems referred to above, a kind of active optical cable is provided, to solve 10Gb and the signal cable transmission range more in high speed transmission of signals process based on copper cash is short, the problem that loss is large.
The object of the invention is to be achieved through the following technical solutions:
A kind of active optical cable, comprising:
Electric power connector assembly, described electric power connector assembly comprises electric power connector and is coated on the housing of electric power connector outside, and the front end of described electric power connector is provided with front connector, and its rear end is provided with rear connector;
Printed circuit-board assembly, described printed circuit-board assembly comprises circuit board substrate, photoelectric conversion module and the joints of optical fibre, the front end of described circuit board substrate and the rear connector grafting of electric power connector, described photoelectric conversion module is connected on the optical module bonding pad of circuit board substrate rear end, and the outside of photoelectric conversion module is connected with the joints of optical fibre;
Cable assembly, described cable assembly comprises optical cable, for supporting, stay pipe, the grip tube of locating optical cable, for discharging the tail pipe of stress, the front end of described optical cable is connected with wire jumper module, and described wire jumper module and the joints of optical fibre are of coupled connections,
Shell, the front end of described shell has electric power connector pickup groove, and its rear end has tail pipe pickup groove, and is provided with stay pipe pickup groove in shell.
Further, the front connector of described electric power connector is USB interface or HDMI or RJ45 interface.
Preferably, described shell is made up of the upper cover matched, lower cover, and described shell is made up of engineering plastics or aluminum alloy materials.
Preferably, the housing of described electric power connector assembly extends to optical cable one end, and is provided with clamping wall, and described clamping wall is coated on the front end outer wall of stay pipe.
Further, described optical cable is made up of the outer optical fiber by, Kev bracing wire and inside of the optical cable of outside, described optical fiber passes rear end via hole and the wire jumper model calling of stay pipe, the outer quilt of described optical cable, Kev bracing wire are arranged on the rear end outer wall of stay pipe, described grip tube is coated on the outer quilt of optical cable, Kev bracing wire is outside, the front end of described tail pipe is arranged at grip tube outside, and its rear end is coated on optical cable outside.
Preferably, the rear end outer wall of described stay pipe is provided with annular knurl.
Further, the described joints of optical fibre are provided with guide finger, described wire jumper module is provided with the gathering sill matched with guide finger.
Preferably, the front end of described circuit board substrate is provided with the chamfering being convenient to grafting.
Preferably, the locating slot of the shell for positioning electronic connector assembly is provided with in described shell.
Beneficial effect of the present invention is, described a kind of active optical cable structure is simple, and it has following characteristics:
1, environmental protection:
When a, use transmit high-speed signals of the present invention, only photoelectric conversion module needs to provide 5V direct supply, the rated power of about 2W;
In b, the present invention, optical fiber predominant amount is element silicon, reclaims in use procedure and does not relate to any pollution;
C, the present invention, in process of production also can not to environments without the need to welding;
2, efficient:
The high speed signal of 10Gb/s is transmitted in the present invention, and its length can reach about 100 meters;
3, general:
The present invention can adopt the electric power connector of the universal standard as mating interface, and greatly compatible household machine market, applies more extensive.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of active optical cable of the present invention;
Fig. 2 is the diagrammatic cross-section of a kind of active optical cable at A-A place shown in Fig. 1;
Fig. 3 is the cut-open view of a kind of active optical cable of the present invention;
Fig. 4 is the cut-open view of printed circuit-board assembly of the present invention;
Fig. 5 is the fit structure schematic diagram of printed circuit-board assembly of the present invention, cable assembly;
Fig. 6 is the structural representation before the clamping of the clamping wall of electric power connector assembly housing of the present invention;
Fig. 7 is the structural representation after the clamping of the clamping wall of electric power connector assembly housing of the present invention;
Fig. 8 is the sectional view of cable assembly of the present invention;
Fig. 9 is a kind of schematic cross-section of grip tube of the present invention;
Figure 10 is the another kind of schematic cross-section of grip tube of the present invention;
Figure 11 is a kind of schematic cross-section in addition of grip tube of the present invention.
In figure:
1, electric power connector assembly; 11, electric power connector; 111, front connector; 112, rear connector; 12, housing; 121, clamping wall; 2, printed circuit-board assembly; 21, circuit board substrate; 211, electric signal transition zone; 212, chamfering; 213, optical module bonding pad; 214, input electrical signal transmission channel; 215, electric signal transmission passage is exported; 22, photoelectric conversion module; 221, input optical signal part; 222, output optical signal part; 23, the joints of optical fibre; 231, guide finger; 232, input optical signal transmission channel; 233, output optical signal transmission channel; 3, cable assembly; 31, optical cable; 311 signal input optical fibres; 312, signal output optical fibre; 313, the outer quilt of optical cable; 314, Kev bracing wire; 32, tail pipe; 33, grip tube; 34, stay pipe; 341, bottom surface locating slot; 342, link slot; 35, wire jumper module; 351, signal input optical fibre locating slot; 352, signal output optical fibre locating slot; 353, gathering sill; 4, shell; 41, locating slot; 42, upper cover; 43, lower cover; 44, electric power connector pickup groove; 45, stay pipe pickup groove; 46, tail pipe pickup groove.
Embodiment
Technical scheme of the present invention is further illustrated by embodiment below in conjunction with accompanying drawing.
Please refer to shown in Fig. 1 to Fig. 3, in the present embodiment, a kind of active optical cable, comprise: shell 4 and be arranged at the electric power connector assembly 1 connected successively in shell 4, printed circuit-board assembly 2, cable assembly 3, described electric power connector assembly 1 comprises electric power connector 11 and housing 12, it is outside that housing 12 is coated on electric power connector 11, to provide sufficient protective effect, and the extraneous signal disturbing for electric power connector 11 of shielding, the front end of described electric power connector 11 is provided with front connector 111, for communicating with the external world, described front connector 111 is USB interface, HDMI, any one in RJ45 interface, thus the most succinct connected mode can be provided to user, do not spend the switching device interface that extra preparation is new, go to meet high speed transmission of signals demand without the need to current Equipments Setting of upgrading, its practicality is high, and its highly versatile, it is not limited to the application in communication class backbone network, more diversification client layer can be pushed to, such as, may be used for the high in the clouds information requirement solving microbusiness inside, also may be used for the connection of household PC, and the high-definition movie image quality of high-speed transfer 1080P, electric power connector 11 rear end is provided with rear connector 112, described printed circuit-board assembly 2 comprises circuit board substrate 21, photoelectric conversion module 22 and the joints of optical fibre 23, the front end of described circuit board substrate 21 is plugged in the rear connector 112 of electric power connector 11 rear end, described cable assembly 3 comprises optical cable 31, for supporting, the stay pipe 34 of locating optical cable, grip tube 33, for discharging tail pipe 32 and the wire jumper module 35 of stress, the front end of described optical cable 31 is connected with the rear end of wire jumper module 35, front end and the joints of optical fibre 23 of described wire jumper module 35 are of coupled connections, described shell 4 is by the upper cover 42 matched, lower cover 43 is formed, the front end of shell 4 has electric power connector pickup groove 44, described electric power connector pickup groove 44 directly contacts with electric power connector assembly 1, electric power connector 11 is made operationally to keep fixing, the rear end of shell 4 has tail pipe pickup groove 46, described tail pipe pickup groove 46 is in order to the tail pipe 32 of fixed light cable assembly 3, stay pipe pickup groove 45 is provided with in shell 4, locating slot 41, described stay pipe pickup groove 45 is for the stay pipe 34 of locating optical cable assembly 3, described locating slot 41 is for the housing 12 of positioning electronic connector assembly 1, the housing 12 of electric power connector assembly 1 is avoided to be subject to extraneous extruding and cannot correctly to locate, glue groove is provided with in shell 4, when electric power connector assembly 1, printed circuit-board assembly 2, cable assembly 3 is placed in after in shell 4, glue is injected in glue groove, make electric power connector assembly 1, printed circuit-board assembly 2 and cable assembly 3 are firmly fixed in shell 4, shell 4 adopts high mechanical properties, high rigidity, the engineering plastics that electrical insulation properties is good are made, as: ABS plastic, PC plastics, its Rockwell's hardness is higher than 110 degree, the upper cover 42 of shell 4, lower cover 43 can adopt buckle to connect.
Please refer to shown in Fig. 4, Fig. 4 is the cut-open view of printed circuit-board assembly of the present invention, the front end of circuit board substrate 21 is provided with the chamfering 212 being convenient to grafting, the rear connector 112 of electric power connector 11 and the front end grafting of circuit board substrate 21, necessary rigid support and suitable normal stress are provided, high-speed electrical signals is made normally to reach on the electric signal transition zone 211 of circuit board substrate 21 front end, and the mode that electric power connector 11 and circuit board substrate 21 adopt machinery to insert, the technique of circuit board substrate 21 is welded in compared to traditional electric power connector 11, owing to there is not Welding Problems, completely avoid the most probables such as heavy metal lead in this link, produce pollution problem to people and environment, greatly protect the healthy right of the employee of completed knocked down products, the optical module bonding pad 213 of described circuit board substrate 21 rear end is bonded with photoelectric conversion module 22, the major function of photoelectric conversion module 22 is the asynchronous conversion carrying out photosignal, photoelectric conversion module 22 be externally connected to the joints of optical fibre 23, the major function of the joints of optical fibre 23 is perform region light signal being transferred to effectively photoelectric conversion module 22.
Please refer to shown in Fig. 5, Fig. 5 is the fit structure schematic diagram of printed circuit-board assembly of the present invention, cable assembly, to explain the main operational principle of photoelectric conversion module 22 further.First, the input electrical signal coming from the electric signal transition zone 211 of circuit board substrate 21 front end arrives in photoelectric conversion module 22 by input electrical signal transmission channel 214, via output optical signal part 222, produce the light signal that respective signal exports, and injected output optical signal transmission channel 233, and on the coupling end face of the joints of optical fibre 23, wire jumper module 35 by lightray propagation in signal output optical fibre 312; On the contrary, by the light signal propagated in signal input optical fibre 311, coupling end face via wire jumper module 35, the joints of optical fibre 23 travels in input optical signal transmission channel 232, then in photoelectric conversion module 22, via input optical signal part 221, producing the electric signal that respective signal exports, then being outputted to front end electric signal transition zone 211 by exporting electric signal transmission passage 215.No matter signal output optical fibre 312 or signal input optical fibre 311, its core diameter is very small, for general multimode optical fiber fibre core, be generally 62.5um, therefore in optical signal transmission, the joints of optical fibre 23 are overlapping with after wire jumper module 35 butt coupling, and its merging precision generally should meet≤0.5um.Therefore, the precision docking of the guide finger 231 of the joints of optical fibre 23 and the gathering sill 353 of wire jumper module 35 is very necessary, to ensure that in wire jumper module 35, signal input optical fibre locating slot 351 carries out accurate correcting with the optical fiber in signal output optical fibre locating slot 352 pairs of cable assemblies 3.
In order to increase the fibre tensile strength in cable assembly 3, to avoid its fragility for the Reliability Assurance of Signal transmissions, the housing 12 of electric power connector assembly 1 extends to the back-end, and clamping wall 121 is set, clamping wall 121 is coated on outside stay pipe 34, the stay pipe 34 made is combined as a whole with the electric power connector assembly 1 be connected and fixed and printed circuit-board assembly 2, improves product rigidity.
Please refer to shown in Fig. 6, Fig. 6 is the structural representation before the clamping of the clamping wall of electric power connector assembly housing of the present invention, clamping wall 121 is not before clamping distortion, stay pipe 34 can be placed therein by link slot 342 by its opening, after locating with bottom surface locating slot 341 and the bottom surface of the housing 12 of electric power connector assembly 1, external force is used to make the rear end of housing 12 produce plastic yield; Such as, the extruding of riveting pincers is adopted.As shown in Figure 7, Fig. 7 is the structural representation after the clamping of the clamping wall of electric power connector assembly housing of the present invention, clamping wall 121 is by completely coated for stay pipe 34, and ensure that the spacing of wire jumper module 35 and stay pipe 34, its assembly precision is ± 0.1mm, avoid optical fiber to cause bending due to the spacing that any discomfort is worked as, affect lightray propagation efficiency; After using this locator meams, light signal insertion loss controls within 0.7dB scope; And before not fixing, with the rotation of rear end cable assembly 3, light signal insertion loss will be extreme unstable, maximal value even may more than 2dB.
Please refer to shown in Fig. 8, Fig. 8 is the sectional view of cable assembly of the present invention, optical cable 31 is outer by 313 by the optical cable of outside, the optical fiber of Kev bracing wire 314 and inside is formed, described optical cable is outer by 313, Kev bracing wire 314 is arranged on the rear end outer wall of stay pipe 34, described optical fiber is connected with wire jumper module 35 through the via hole of stay pipe 34 rear end, in order to increase positioning intensity, glue is added in the gum box of stay pipe 34 front end, glue can adopt 353ND epoxy resin glue, it is outer by 313 that described grip tube 33 is coated on optical cable, Kev bracing wire 314 is outside, in order to the rear end outer wall increasing stay pipe 34 is outer by 313 to optical cable, the friction force of Kev bracing wire 314, make it more firm under the deformable squeeze of grip tube 33, its surface is provided with annular knurl, modulus M=0.3, optical cable after it can effectively improve clamping bears pulling force, the front end of tail pipe 32 covers the region of grip tube 33, extra protection is provided, the rear end of optical cable 31 is through tail pipe 32 inwall, for discharging rear end when optical cable 31 bends to the stress that internal optical fiber produces, tail pipe 32 outer wall is positioned in tail pipe pickup groove 46, effectively fixedly protected.
Please refer to Fig. 9 to Figure 11, the cross sectional shape of grip tube 33 can adopt in circle, ellipse, regular hexagon any one, grip tube 33 can adopt SUS301 stainless steel or SUS304 stainless steel to make, permanent plastic yield is there is in grip tube 33 after the extruding being subject to external force, thus be coated on outer for optical cable completely wherein by 313 and Kev bracing wire 314, to resist the pulling force of cable assembly 3 rear end, adopt this kind of fixed form, optical cable 31 can bear the ultimate tension of 98N, is enough to meet the fiduciary level requirement in its region such as heart in the data.
Above embodiment has just set forth ultimate principle of the present invention and characteristic; the present invention does not limit by above-described embodiment; without departing from the spirit and scope of the present invention, the present invention also has various change and change, and these changes and change all fall in the claimed scope of the invention.Application claims protection domain is defined by appending claims and equivalent thereof.
Claims (5)
1. an active optical cable, is characterized in that: comprising:
Electric power connector assembly, described electric power connector assembly comprises electric power connector and is coated on the housing of electric power connector outside, and the front end of described electric power connector is provided with front connector, and its rear end is provided with rear connector;
Printed circuit-board assembly, described printed circuit-board assembly comprises circuit board substrate, photoelectric conversion module and the joints of optical fibre, the front end of described circuit board substrate and the rear connector grafting of electric power connector, described photoelectric conversion module is connected on the optical module bonding pad of circuit board substrate rear end, and the outside of photoelectric conversion module is connected with the joints of optical fibre;
Cable assembly, described cable assembly comprises optical cable, for supporting, the stay pipe of locating optical cable, grip tube, for discharging the tail pipe of stress, the rear end outer wall of described stay pipe is provided with annular knurl, the front end of described optical cable is connected with wire jumper module, described wire jumper module and the joints of optical fibre are of coupled connections, described optical cable is by the outer quilt of the optical cable of outside, the optical fiber of Kev bracing wire and inside is formed, described optical fiber passes rear end via hole and the wire jumper model calling of stay pipe, the outer quilt of described optical cable, Kev bracing wire is arranged on the rear end outer wall of stay pipe, described grip tube is coated on the outer quilt of optical cable, Kev bracing wire is outside, the front end of described tail pipe is arranged at grip tube outside, its rear end is coated on optical cable outside,
Shell, the front end of described shell has electric power connector pickup groove, and its rear end has tail pipe pickup groove, and is provided with stay pipe pickup groove in shell;
The housing of described electric power connector assembly extends to optical cable one end, and is provided with clamping wall, and described clamping wall is coated on the front end outer wall of stay pipe, is provided with the locating slot of the housing for positioning electronic connector assembly in described shell.
2. a kind of active optical cable according to claim 1, is characterized in that: the front connector of described electric power connector is USB interface or HDMI or RJ45 interface.
3. a kind of active optical cable according to claim 1, it is characterized in that: described shell is made up of the upper cover matched, lower cover, and described shell is made up of engineering plastics or aluminum alloy materials.
4. a kind of active optical cable according to claim 1, is characterized in that: the described joints of optical fibre are provided with guide finger, and described wire jumper module is provided with the gathering sill matched with guide finger.
5. a kind of active optical cable according to claim 1, is characterized in that: the front end of described circuit board substrate is provided with the chamfering being convenient to grafting.
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CN201310285790.8A CN103323922B (en) | 2013-07-08 | 2013-07-08 | A kind of active optical cable |
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CN201310285790.8A CN103323922B (en) | 2013-07-08 | 2013-07-08 | A kind of active optical cable |
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CN103323922A CN103323922A (en) | 2013-09-25 |
CN103323922B true CN103323922B (en) | 2016-03-02 |
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CN201310285790.8A Expired - Fee Related CN103323922B (en) | 2013-07-08 | 2013-07-08 | A kind of active optical cable |
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Families Citing this family (10)
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CN104297864B (en) * | 2014-09-05 | 2016-08-24 | 长芯盛(武汉)科技有限公司 | A kind of USB3.0 type joints of optical fibre connect assembly |
CN104301698A (en) * | 2014-10-23 | 2015-01-21 | 深圳市易飞扬通信技术有限公司 | Optical cable interface system for transmitting HDMI signals |
WO2016127325A1 (en) * | 2015-02-11 | 2016-08-18 | 叶宏亮 | Optical module structure |
CN104730650B (en) * | 2015-03-24 | 2017-10-17 | 长芯盛(武汉)科技有限公司 | A kind of HDMI1.4 types photoelectric hybrid connector connection component |
CN104793295A (en) * | 2015-03-24 | 2015-07-22 | 长芯盛(武汉)科技有限公司 | USB3.0 type photoelectric hybrid connector connecting assembly of composite optical cable |
CN108562981A (en) * | 2016-04-11 | 2018-09-21 | 金钱猫科技股份有限公司 | A kind of inserted type photoelectric signal conversion device |
US10012808B2 (en) * | 2016-12-01 | 2018-07-03 | Cyntec Co., Ltd. | Optical fiber strip, active optical module and active optical cable |
CN107493447A (en) * | 2017-09-28 | 2017-12-19 | 武汉博昇光电股份有限公司 | A kind of split type HDMI devices |
CN113848616B (en) * | 2021-09-23 | 2022-08-16 | 杭州耀芯科技有限公司 | Signal transmission device based on MID/LDS technology and assembling method thereof |
CN116736453B (en) * | 2023-08-15 | 2023-10-20 | 东莞市良裕嘉五金科技有限公司 | AOC optical module shell |
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CN1156509A (en) * | 1994-06-22 | 1997-08-06 | 惠特克公司 | Optical fiber connector having enhanced assembly means |
CN202102153U (en) * | 2011-06-08 | 2012-01-04 | 深圳日海通讯技术股份有限公司 | Active optical cable |
CN103105649A (en) * | 2011-09-30 | 2013-05-15 | 住友电气工业株式会社 | Connector assembly |
Family Cites Families (1)
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US7314318B2 (en) * | 2001-03-15 | 2008-01-01 | International Business Machines Corporation | Compact optical transceivers including thermal distributing and electromagnetic shielding systems and methods thereof |
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CN1156509A (en) * | 1994-06-22 | 1997-08-06 | 惠特克公司 | Optical fiber connector having enhanced assembly means |
CN202102153U (en) * | 2011-06-08 | 2012-01-04 | 深圳日海通讯技术股份有限公司 | Active optical cable |
CN103105649A (en) * | 2011-09-30 | 2013-05-15 | 住友电气工业株式会社 | Connector assembly |
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