CN102269850A - Optical fiber direct-steering connector - Google Patents
Optical fiber direct-steering connector Download PDFInfo
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- CN102269850A CN102269850A CN2011102128839A CN201110212883A CN102269850A CN 102269850 A CN102269850 A CN 102269850A CN 2011102128839 A CN2011102128839 A CN 2011102128839A CN 201110212883 A CN201110212883 A CN 201110212883A CN 102269850 A CN102269850 A CN 102269850A
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- optical fiber
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Abstract
The invention relates to an optical fiber direct-steering connector. The connector provided by the invention comprises an optical fiber steering connector, a base and a plurality of optical fibers with bending resistance; the optical fiber steering connector is connected with the base in the manner of locating and the optical fiber steering connector is of an integrated structure; the back end of the optical fiber steering connector is provided with a circular arc of 90 DEG and the circular arc is provided with a plurality of optical fiber guiding grooves; the bottom of the circular arc is provided with a plurality of signal transmitting windows, the parts of the base, corresponding to the signal transmitting windows of the optical fiber steering connector, are respectively integrated with a mini-type light source and a mini-type light receiver, and are provided with a metal pin which is connected with an external circuit in a pre-set manner; and the 90 DEG steering of the optical fibers is realized through the optical fiber guiding grooves and then the optical fibers penetrate through the signal transmitting windows at the bottom to be directly coupled with the mini-type light sources and the mini-type light receivers which are integrated on the base on the lower side. The connector provided by the invention has a simple structure and the advantages that a lens group, a total reflection prism group and an optical waveguide structure in the traditional design are omitted, the signal loss caused by the interface coupling is reduced, the dependence on the optical material and the aspheric surface processing technology is avoided and the manufacturing cost is reduced.
Description
Technical field
The present invention relates to a kind of joints of optical fibre, especially a kind of light signal directly turns to connector by optical fiber.
Background technology
In view of present large-scale integrated electronic equipment, extensively adopted the automatic producing technology of plane patch, the sense of optical transceiver that is used for opto-electronic conversion is all perpendicular to the PCB printed panel.Thereby the steering structure of a kind of light signal of needs is realized intercoupling between this vertical signal and the horizontal signal.
Optical fiber is the main medium that is used for optical signal transmission.But because fiber middle light signal transmission need be satisfied optical fiber total reflection law, and is mainly the glass fibre material, bending resistance is poor, when bending radius is too small, easily causes optical fiber to fracture or destroys the transmission conditions of its light total reflection, influences performance.The miniaturization difficult problem of this fibre-optical bending steering structure becomes Optical Fiber Transmission pattern one of the reason of the relatively slow electric signal transmission mode of the speed that substitutes that delays at client terminal.
Traditional optical fiber turns to connector at present, complex structure, and volume is bigger, production and processing difficulty, market product category rareness.Adopt the scheme that turns to of lens combination that the special optical material makes or optical waveguide, but its processing technology is extremely complicated, does not possess the volume production characteristic, price is high; Adopt knockdown steering structure, but this kind structure is because the stack of assembly error, it is lower to cause making up precision, the butt joint loss of light signal is serious, and the volume of assembly is big, is not easy to the integrated and miniaturization encapsulation of circuit, can not satisfy the needs of consumer to portable product.So traditional product that turns to all can not satisfy the needs in consumer electronics market, and hold at high price, and can't be fit to ordinary consumption colony.In addition, Chinese patent application number:
200810040499.3Disclose a kind of optical fiber forward method and turned to device, the optical fiber that is applied in this method comprises incident optical and outgoing optical fiber, the incident optical end is provided with first inclined-plane, its inclined-plane and fiber axis to angle be Α, the end of outgoing optical fiber is provided with second inclined-plane, its oblique angle is Β, light in the incident optical is incident in the outgoing optical fiber after the reflection of first inclined-plane, through the reflection of second inclined-plane, forms the emergent light of axially propagating along outgoing optical fiber again.Though utilize this invention can realize that the optical fiber of any occasion turns to or bends, owing to adopt the reflection on several inclined-planes to realize that optical fiber turns to, make that optical fiber efficient in coupling process is low, loss is big.
Summary of the invention
The present invention will provide a kind of optical fiber directly to turn to connector, and this connector can effectively solve the problems referred to above that prior art exists, and can reach following purpose:
1. light signal is realized 90
oDeflection, make the signal of the vertical and level of input and output optical fiber realize changing mutually;
2. the transfer rate height can reach more than the 5G bps;
3. transmission range is long, can reach more than 100 meters;
4. simple in structure small and exquisite, can be implemented in microencapsulated, be easy to carry;
5. with low cost, it is convenient to produce, and good reliability is convenient to a large amount of listings.
For achieving the above object, the present invention is achieved by the following technical programs:
A kind of optical fiber directly turns to connector, comprises that an optical fiber turns to connector, pedestal, several optical fiber that possesses counter-bending characteristic, and optical fiber turns to connector and pedestal to be located by connecting, and it is integral structure that optical fiber turns to connector, and its rear end is provided with one and is 90
oThe circular arc at angle, have several fiber guides grooves on the circular arc, the circular arc bottom has several signal transmission windows, and pedestal turns to the signal transmission window place of connector corresponding to optical fiber, be integrated with miniature and miniature optical receiver respectively, and the metal pins that is connected with external circuitry of reservation; Optical fiber realizes 90 by the fiber guides groove
oAfter turning to, pass miniature integrated on the pedestal of bottom signal transmission window and below and miniature optical signal receiver directly is coupled.
Optical fiber turns to the signal transmission window both sides of connector that the step of one projection is respectively arranged, and is used for carrying out spacing and protection to the fiber end face that passes.
Optical fiber turns on the step of projection of signal transmission window both sides of connector and has main pilot hole, and main pilot hole overlaps with the signal transmission window line of centres, and be position baseline, be located by connecting with miniature on the pedestal and the coupling of miniature optical receiver.
Optical fiber turns to the injecting glue groove that also has fixed fiber above the connector.
Turn to the main pilot hole place of matching of connector to be provided with fastening screw with optical fiber on the pedestal, and turn to connector to achieve a butt joint and locate by fastening screw and optical fiber.
Owing to adopt above technical scheme, the present invention compares with existing design, has following beneficial effect:
(1) coupling scheme of taking optical fiber directly to turn to have solved the difficult problem of the physical transformation structure miniaturization of level and vertical light signal, make product can be encapsulated in the portable equipment of small volume.
(2) project organization is simple, has saved lens combination, total-reflection prism group or the optical waveguide of traditional design fully, has reduced the loss of signal that is caused by the coupling of multilayer interface, has promoted the performance and the fiduciary level of transmission product.
(3) owing to do not use any lens combination, total-reflection prism group or optical waveguide,, be convenient to the derived product exploitation and reduce material cost so avoided the optical characteristics of connector material is relied on.
(4) steering structure of integral type, forming parts is easy, and production technology is easy, is fit to mass production, to reduce production costs in a large number.
(5) covering scope of the present invention is extensive, can be used for setting up and bridge joint of the various circuits of optical communication field.Data center can be satisfied at a high speed reliably requirement of transmission line, the needs of civilian consumer electronics can be satisfied again long distance, low-power consumption and cheap connection device.
(6) universality of the present invention is good, by the modification to its extraneous interface circuit, can realize and any compatibility of interface specification, makes all to realize the system of distinct interface standard connecting at a high speed.For example, in the transmission plans such as prior USB, HDMI, AOC, HDMI, Thunderbolt.
Description of drawings
Fig. 1 is a structural upright synoptic diagram of the present invention;
Fig. 2 is the three-dimensional exploded view that optical fiber of the present invention turns to connector and pedestal;
Fig. 3 is the solid signal that optical fiber of the present invention turns to connector;
Fig. 4 is the structural upright synoptic diagram of pedestal of the present invention;
Fig. 5 is that the present invention is fixed on the synoptic diagram on the pcb board;
Fig. 6 is the synoptic diagram that the present invention is applied to the USB transmission plan.
Embodiment
Below in conjunction with drawings and the specific embodiments, further set forth the present invention:
As Fig. 1, shown in 2, optical fiber directly turns to connector, comprises that an optical fiber turns to connector 1, pedestal 2, several optical fiber 3 that possesses counter-bending characteristic.
The present invention with the optical fiber that is used for high-speed transfer as transport vehicle.The appearance of optical fiber with " special counter-bending characteristic " is for the invention provides technical conditions.For example 62.5/125 multimode optical fiber of 3M (with reference to U.S. Patent number. Re 36,146.) be example, its transfer rate is more than the 10G bps, transmission range can reach more than the 100M.And under the situation than small-bend radius (R=3mm), bending loss is no more than-0.35dB, and dock loss with common 62.5/125 joints of optical fibre roughly suitable.The Corning VSDN of Corning Incorporated
TMThe counter-bending optical fiber of various 50um, 62.5 such as Optical Fiber, 80um fibre core all can be implemented in the present invention, and can reach the demand of general consumer electronics to mission life.So its can operate as normal under the state of bending.So the theoretical transmission rate of this connector is more than the 10G, operating distance can be the arbitrary value (depending on the kind with selected optical fiber) of 0 ~ 100M.
The optical fiber 3 that possesses counter-bending characteristic of the present invention, its back segment 600um external diameter outer are fixed among the extension wire rod pickup groove 1-6 that optical fiber turns to connector 1.The bare fibre of the 250um external diameter in its stage casing by fiber guides groove 1-1, realizes 90
oDeflection, and be fixed among the injecting glue groove 1-5.The 125um fibre core of optical fiber 3 ends passes the signal transmission window 1-2 that optical fiber turns to connector 1 bottom, and passes certain distance.Realized transmission direction deflection 90 with fiber middle light signal
oFunction.
As shown in Figure 3, it is integral structure that optical fiber turns to connector, and its rear end is provided with one and is 90
oThe circular arc at angle; have several fiber guides groove 1-1 on the circular arc; the circular arc bottom has several signal transmission window 1-2 and 2 integrated miniature 2-1 arranged side by side of pedestal and miniature optical receiver 2-2; optical fiber turns to the signal transmission window both sides of connector 1 that the step of a projection is respectively arranged, and is used for carrying out spacing and protection to the fiber end face that passes.Optical fiber turns on the step of projection of signal transmission window 1-2 both sides of connector 1 and has main pilot hole 1-3, and main pilot hole 1-3 overlaps with the signal transmission window 1-2 line of centres, respectively with as the reference benchmark and the accurate location of the axial connecting line of the main fastening screw 2-3 of main pilot hole 1-3 and pedestal 2.Main pilot hole 1-3 and fastening screw 2-3 are then to realize that accurately axle-hole cooperates.And the auxiliary positioning latch 2-4 of auxiliary positioning hole 1-4 and pedestal 2, auxiliary turn light rays connector 1 is fixed on the pedestal 2.Optical fiber turns to the injecting glue groove 1-5 that also has fixed fiber 3 above the connector.
As shown in Figure 4, pedestal 2 turns to the signal transmission window 1-2 place of connector 1 corresponding to optical fiber, is integrated with miniature 2-1 and miniature optical receiver 2-2 respectively, and the metal pins 2-5 that is connected with external circuitry of reservation; The miniature light-receiving 2-2 of pedestal 2 receives the light signal from optical fiber 3, by the optical fiber 3 emission light signals of miniature 2-1 in being limited in signal transmission window 1-2, has realized duplex communication simultaneously.
As Fig. 5, shown in 6, the mode of pedestal 2 to inlay and to weld is fixed on the PCB, and the metal stitch 2-5 by its circuit, realize and pcb board on conversion of signals and transmission between the integrated usb circuit.
At present 5um(is following) machining accuracy and the mould molding technology of precision grade, be batch of the present invention and production stably, created the technical conditions of realization equally.Use the mode of industrial glue or welding then, with optical fiber or electrical lead fixing with pedestal on.
Above-mentioned embodiment is exemplary, is to be the restriction that this patent is comprised scope in order better to make those skilled in the art can understand this patent, can not to be interpreted as; So long as according to spirit that this patent discloses done anyly be equal to change or modify, all fall into the scope that this patent comprises.
Claims (5)
1. an optical fiber directly turns to connector, comprise that an optical fiber turns to connector (1), a pedestal (2), several optical fiber (3) that possesses counter-bending characteristic, optical fiber turns to connector (1) and pedestal (2) to be located by connecting, it is characterized in that: it is integral structure that described optical fiber turns to connector (1), and its rear end is provided with one and is 90
oThe circular arc at angle, have several fiber guides grooves (1-1) on the circular arc, the circular arc bottom has several signal transmission windows (1-2), described pedestal (2) turns to the signal transmission window (1-2) of connector (1) to locate corresponding to optical fiber, be integrated with miniature (2-1) and miniature optical receiver (2-2) respectively, and the metal pins (2-5) that is connected with external circuitry of reservation; Described optical fiber (3) realizes 90 by fiber guides groove (1-1)
oAfter turning to, pass optical fiber and turn to connector (1) the bottom signal transmission window (1-2) and the pedestal (2) of below to go up integrated miniature (2-1) and directly coupling of miniature optical signal receiver (2-2).
2. optical fiber according to claim 1 directly turns to connector, it is characterized in that: described optical fiber turns to signal transmission window (1-2) both sides of connector (1) that the step of a projection is respectively arranged, and is used for carrying out spacing and protection to optical fiber (3) end face that passes.
3. optical fiber according to claim 1 directly turns to connector, it is characterized in that: described optical fiber turns to the injecting glue groove (1-5) that also has fixed fiber (3) above the connector (1).
4. optical fiber according to claim 2 directly turns to connector, it is characterized in that: described optical fiber turns on the step of signal transmission window (1-2) both sides projection of connector and has main pilot hole (1-3), and main pilot hole (1-3) overlaps with signal transmission window (1-2) line of centres, and be position baseline, be located by connecting with miniature (2-1) on the pedestal (2) and miniature optical signal receiver (2-2) coupling.
5. directly turn to connector according to claim 1 or 4 described optical fiber, it is characterized in that: described pedestal (2) turns to main pilot hole (1-3) place of matching of connector (1) to be provided with fastening screw (2-3) with optical fiber, and turns to connector (1) to achieve a butt joint and locate by fastening screw (2-3) and optical fiber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102128839A CN102269850A (en) | 2011-07-28 | 2011-07-28 | Optical fiber direct-steering connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102128839A CN102269850A (en) | 2011-07-28 | 2011-07-28 | Optical fiber direct-steering connector |
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| Publication Number | Publication Date |
|---|---|
| CN102269850A true CN102269850A (en) | 2011-12-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011102128839A Pending CN102269850A (en) | 2011-07-28 | 2011-07-28 | Optical fiber direct-steering connector |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107024745A (en) * | 2017-04-18 | 2017-08-08 | 上海坤腾光电科技有限公司 | A kind of parallel optical fibre transceiver module |
| CN107037541A (en) * | 2017-05-25 | 2017-08-11 | 东莞市胜创光电科技有限公司 | Fiber array |
| CN107450131A (en) * | 2017-08-24 | 2017-12-08 | 东莞福可喜玛通讯科技有限公司 | A kind of method of curved fiber lock pin and fibre-optical bending |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009175662A (en) * | 2007-12-27 | 2009-08-06 | Fujitsu Component Ltd | Optical waveguide holding member and optical transceiver |
| CN101809447A (en) * | 2007-09-27 | 2010-08-18 | 诺瓦提斯公司 | Drug monitoring assay |
| CN201886176U (en) * | 2010-11-03 | 2011-06-29 | 富士康(昆山)电脑接插件有限公司 | Optical fiber connector |
-
2011
- 2011-07-28 CN CN2011102128839A patent/CN102269850A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101809447A (en) * | 2007-09-27 | 2010-08-18 | 诺瓦提斯公司 | Drug monitoring assay |
| JP2009175662A (en) * | 2007-12-27 | 2009-08-06 | Fujitsu Component Ltd | Optical waveguide holding member and optical transceiver |
| CN201886176U (en) * | 2010-11-03 | 2011-06-29 | 富士康(昆山)电脑接插件有限公司 | Optical fiber connector |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107024745A (en) * | 2017-04-18 | 2017-08-08 | 上海坤腾光电科技有限公司 | A kind of parallel optical fibre transceiver module |
| CN107037541A (en) * | 2017-05-25 | 2017-08-11 | 东莞市胜创光电科技有限公司 | Fiber array |
| CN107450131A (en) * | 2017-08-24 | 2017-12-08 | 东莞福可喜玛通讯科技有限公司 | A kind of method of curved fiber lock pin and fibre-optical bending |
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Application publication date: 20111207 |