CN101561260B - Optical fibre end face surveymeter - Google Patents
Optical fibre end face surveymeter Download PDFInfo
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- CN101561260B CN101561260B CN2008100666591A CN200810066659A CN101561260B CN 101561260 B CN101561260 B CN 101561260B CN 2008100666591 A CN2008100666591 A CN 2008100666591A CN 200810066659 A CN200810066659 A CN 200810066659A CN 101561260 B CN101561260 B CN 101561260B
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- 239000013307 optical fiber Substances 0.000 title claims abstract description 92
- 238000001514 detection method Methods 0.000 claims abstract description 36
- 239000000835 fiber Substances 0.000 claims description 53
- 230000003287 optical effect Effects 0.000 claims description 24
- 238000006073 displacement reaction Methods 0.000 claims description 16
- 238000009795 derivation Methods 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
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Abstract
The invention relates to an optical fibre head face surveymeter which comprises a casing, a light source contained in the casing, an interference light path and an image acquisition device. The optical fibre head face surveymeter also comprises an electrical control unit for fine turning the interference light path. The casing is provided with a detection window; optical fibre to be detected is fixed on the detection window; a light beam of the light source is separated to a reference beam and a detection beam detecting the optical fibre end face from the detection window; the reference beam and the detection beam reflect to form interference patterns to be imaged on the image acquisition device through a convex lens of the interference light path; and the electrical control unit fine turns the interference light path, and then a plurality of groups of interference image information for deriving parameters of the detected optical fibre end face is formed on the image acquisition device. The optical fibre end face surveymeter utilizes the interference image information, can directly detect geometric parameters of the optical fibre end face in detail, such as spherical radius, vertex offset, optical fibre height, or APC angle, and the like.
Description
Technical field
The present invention relates to a kind of optical fiber detector device, be specifically related to a kind of optical fiber end face detector that detects more detailed fiber end face parameter.
Background technology
At present because its high-quality transfer rate optical fiber is increasingly extensive in the application of communication and family.Optical fiber is as a kind of high-accuracy transmission medium, and its technological requirement height requires also more and more higher to the surface geometry situation of end surface of optical fiber connector.Need a lot of parameters of optical fiber be detected in the production scene.Existing optical fiber detector device is incident upon the image scioptics on the fiber end face surface of acquisition on the imageing sensor, and operating personnel check the result by image sensor.But dirt, dust or other polluter that existing optical fiber detector device generally can only the detection fiber end face still can't accurately be measured the parameters such as spherical radius, apex offset, optical fiber height or APC angle of fiber end face.
Therefore, demand a kind of novel optical fiber detector device and corresponding optical fiber urgently and detect fixture to obtain the parameter of more relevant fiber end faces.
Summary of the invention
The purpose of this invention is to provide a kind of optical fiber end face detector that detects more detailed fiber end face parameter.
The technical scheme that realizes described purpose is: a kind of optical fiber end face detector, comprise shell, accommodate light source in the enclosure, optical interference circuit, image acquisition device, also comprise the ECU (Electrical Control Unit) of finely tuning optical interference circuit, has detection window on the described shell, tested optical fiber is fixed on the detection window place, the light beam of described light source is divided into reference beam by optical interference circuit and from the detection light beam of detection window detection fiber end face, described reference beam and detect beam reflection and form moire patterns and be imaged on the image acquisition device through the convex lens of optical interference circuit, described ECU (Electrical Control Unit) is finely tuned optical interference circuit, thereby forms the interference image information of some groups of derivation tested optical fiber transverse parameters on image acquisition device.
Described optical fiber end face detector further comprises the processor that connects image acquisition device and ECU (Electrical Control Unit), described processor is finely tuned described optical interference circuit by ECU (Electrical Control Unit), and on image acquisition device, form some groups of interference image information, described processor receives described some groups of interference image information, and handles the geometric parameter that draws the tested optical fiber end face.
Described optical fiber end face detector further comprises the display device of connection processing device.
Described optical interference circuit comprises semi-transparent semi-reflecting lens, catoptron and convex lens, the laser beam of sending from light source is divided into reference beam by semi-transparent semi-reflecting lens and from the detection light beam of detection window detection fiber end face, wherein reference beam is via catoptron, semi-transparent semi-reflecting mirror reflection; Detect light beam from the tested optical fiber end face reflection; Described reference beam and detect beam reflection and form moire patterns and be imaged on the image acquisition device through the convex lens of optical interference circuit.
Preferably, described ECU (Electrical Control Unit) connects a micro positioner, and described micro positioner drives catoptron and is subjected to displacement, thereby forms some groups of interference image information on described image acquisition device.
Preferably, described shell is being provided with the manual fine-tuning device that is used for finely tuning catoptron near the catoptron place.
Described optical fiber end face detector also comprises the fiber orientation anchor clamps that are installed in shell detection window place, and described fiber orientation anchor clamps comprise the stay pipe of locking that is used for inserting fiber stub, change the mechanism and be used for the unsteady steady arm of the further axial location joints of optical fibre of being locked of stay pipe size.
Specifically, the described mechanism that is locked be included in horizontal expansion on the anchor clamps cantilever, push the handle that cantilevered distal end makes it produce small locking member that reverses and promote locking member, the part of described stay pipe integrates with cantilever, and described positioning fixture offers draw-in groove in the stay pipe both sides.
Preferably, described fiber orientation anchor clamps are fixed on the governor motion that can accurately rotate and reset, adjust the fiber end face of the governor motion test APC type joints of optical fibre, described governor motion comprises base, be rotatably installed in riser on the base, be fixed on the operating body on the riser and promote that operating body rotates be fixed on micrometric displacement regulator on the base, fix described fiber orientation anchor clamps on the described riser.
Described operating body comprises first arm and second arm of connection board, described base offers guide groove, be connected with back-moving spring between described second arm and the base, described first arm is provided with the fixed leg that passes the base guide groove, and corresponding described fixed leg is provided with the cam securing member that is used for determining position of rotation in described base bottom.
The present invention adopts described technical scheme, its beneficial technical effects is: 1) optical fiber end face detector of the present invention, utilize optical interference circuit on image acquisition device, to form the interference image information of some groups of derivation tested optical fiber transverse parameters, can be directly the parameter of detection fiber end face in detail, such as parameter values such as spherical radius, apex offset, optical fiber height or APC angles; 2) optical fiber end face detector of the present invention, optical interference circuit is simple; 3) optical fiber end face detector of the present invention, further comprise the processor that connects image acquisition device and ECU (Electrical Control Unit), described processor moves on computers, described processor receives described some groups of interference image information, and handles and to draw the geometric parameter of tested optical fiber end face and be presented on the display device of connection processing device; 4) optical fiber end face detector of the present invention, be installed in fiber orientation anchor clamps on the detecting instrument by setting, the setting of described fiber orientation anchor clamps be used for inserting lock pin the stay pipe of locking, change the mechanism and be used for the unsteady steady arm of the further axial location joints of optical fibre of being locked of stay pipe size, make the lock pin test beams of aim detecting instrument accurately of described tested optical fiber connector, improve the precision of fiber end face detected parameters; 5) optical fiber end face detector of the present invention only needs during use optical fiber align is inserted in the described stay pipe, pull the handle of locking member can be simply with the optical fiber stationary positioned on the test table of detector, use easy to operate, the efficient height; 6) optical fiber end face detector of the present invention is equipped with the different steady arms that float, and the optical fiber that can measure a plurality of kinds detects applied range; 4) optical fiber end face detector of the present invention by the governor motion that can accurately rotate and reset is set, and is installed in described fiber orientation anchor clamps on the described governor motion, during use, adjusts governor motion and can test the fiber end face that APC type etc. has angular deflection.
Description of drawings
Below by embodiment also in conjunction with the accompanying drawings, the present invention is described in further detail:
Fig. 1 is the schematic diagram of optical fiber end face detector of the present invention.
Fig. 2 is the three-dimensional exploded view of the fiber orientation device of optical fiber end face detector of the present invention.
Fig. 3 is a kind of synoptic diagram of the joints of optical fibre.
Fig. 4 is the fiber orientation anchor clamps vertical view of optical fiber end face detector of the present invention.
Fig. 5 is the front view of the unsteady steady arm of FC-APC type of optical fiber end face detector of the present invention.
Fig. 6 is the side view of the unsteady steady arm of FC-APC type of optical fiber end face detector of the present invention.
Fig. 7 is the front view of the unsteady steady arm of SC-APC type of optical fiber end face detector of the present invention.
Fig. 8 is the riser side view of optical fiber end face detector of the present invention.
Fig. 9 is the operating body vertical view of optical fiber end face detector of the present invention.
Figure 10 is the base vertical view of optical fiber end face detector of the present invention.
Figure 11 is the first user mode figure of the fiber orientation device of optical fiber end face detector of the present invention.
Figure 12 is the angle rotation user mode figure of the fiber orientation device of optical fiber end face detector of the present invention.
Embodiment
Please refer to Fig. 1, the present invention relates to a kind of optical fiber end face detector, optical fiber end face detector of the present invention is used for parameters such as the spherical radius of fiber end face, apex offset, optical fiber height or APC angle are accurately measured.Described optical fiber end face detector comprises shell, accommodate in the enclosure light source S, the ECU (Electrical Control Unit) 120 of optical interference circuit, image acquisition device 130, fine setting optical interference circuit, be installed in manual fine-tuning device, the three-dimensional micrometric displacement regulator 90 on the housing and be fixed on fiber orientation device on the three-dimensional micrometric displacement regulator 90.Has detection window on the described shell.
Described optical interference circuit comprises semi-transparent semi-reflecting lens M1, mirror M 2 and convex lens M3.The laser beam of sending from light source S is divided into reference beam by semi-transparent semi-reflecting lens M1 and from the detection light beam of detection window detection fiber end face.Wherein reference beam is via mirror M 2, semi-transparent semi-reflecting lens M1 reflection; Detect light beam from the tested optical fiber end face reflection; Described reference beam and detection beam reflection form moire patterns and are imaged on the image acquisition device 130 through the convex lens M3 of optical interference circuit.
Have detection window on the described shell, tested optical fiber 14 is fixed on the detection window place by the fiber orientation device.The detection light beam of described light source S is from detection window detection fiber end face.Described reference beam and detection light beam form on image acquisition device 130 interferes lines.Described ECU (Electrical Control Unit) 120 connects a micro positioner 124, and in the present embodiment, described micro positioner 124 is piezo-ceramic micro displacement units.Described micro positioner 124 drives mirror M 2 and is subjected to displacement under the control of ECU (Electrical Control Unit) 120, thereby forms the interference image information of some groups of derivation tested optical fiber transverse parameters on described image acquisition device 130.
Described optical fiber end face detector further comprises the processor 100 that connects image acquisition device 130 and ECU (Electrical Control Unit) 120.In the present embodiment, described processor 100 moves on computers.Described processor 100 is finely tuned described optical interference circuit by ECU (Electrical Control Unit) 120, and forms some groups of interference image information on image acquisition device 130.Described processor 100 receives described some groups of interference image information, and handles the geometric parameter that draws the tested optical fiber end face.
Described processor 100 can further connect display device 110.Described processor 100 receives described some groups of interference image information, derives the parameter of tested optical fiber end face and is presented on the display device 110 of connection processing device 100.
Described shell is being provided with the described manual fine-tuning device that is used for finely tuning mirror M 2 near mirror M 2 places.
Described fiber orientation device can make the folded light beam of the optical fiber 14 end face aim detecting instruments in the lock pin 12 of the described joints of optical fibre 10.
See also Fig. 2 to Fig. 4, described fiber orientation device comprises the fiber orientation anchor clamps 20 that are installed on the detecting instrument and the governor motion that can accurately rotate and reset of fixed fiber positioning fixture 20.
Described fiber orientation anchor clamps 20 comprise the stay pipe of locking 24 that is used for inserting the joints of optical fibre 10 lock pins 12, change the mechanism and be used for the unsteady steady arm (80,86) of the further axial location joints of optical fibre of being locked of stay pipe 24 sizes.
Enumerated a kind of embodiment of the mechanism that is locked in this embodiment, the described mechanism that is locked be included in horizontal expansion on the anchor clamps 20 cantilever 22, push the handle 28 that cantilever 22 ends make it produce small locking member that reverses 27 and promote locking member 27.The part of described stay pipe 24 integrates with cantilever 22, thereby reaches the purpose that changes stay pipe 24 sizes.Described cantilever 22 forms by offer elongate slot 21 on positioning fixture 20.Described positioning fixture 20 offers draw-in groove 29 in stay pipe 24 both sides.
See also Fig. 5 to Fig. 7,, disposed the unsteady steady arm (80,86) of different structure among the present invention for fiber orientation anchor clamps 20 in order to test different types of optical patchcord link.
A kind of embodiment as the steady arm that floats, the described unsteady steady arm 80 that is used for the axial location APC joints of optical fibre comprises the slide plate that slips into draw-in groove, is opened in the slideway 82 and the projection locating flange 84 on slide plate that pass through for stay pipe 24 on the slide plate, offers locating notch on the described locating flange 84.
As the another kind of embodiment of the steady arm that floats, the described unsteady steady arm 86 that is used for the axial location APC joints of optical fibre comprises the slide plate that slips into draw-in groove, is opened in the slideway 88 that passes through for stay pipe 24 on the slide plate.
Described fiber orientation anchor clamps 20 are fixed on the governor motion that can accurately rotate and reset, and adjust the fiber end face of the governor motion test APC type joints of optical fibre.
Please refer to Fig. 2 and Fig. 8 to Figure 10, as a kind of embodiment of governor motion, described governor motion comprises base 50, be rotatably installed in riser 30 on the base 50, be fixed on the operating body 40 on the riser 30 and promote that operating body 40 rotates be fixed on micrometric displacement regulator 70 on the base 50.Fix described fiber orientation anchor clamps 20 on the described riser 30.
Described base 50 is fixed on the three-dimensional micrometric displacement regulator of optical fiber end face detector by screw 52.By screw 54 carriage 56 that is used for supporting micrometric displacement regulator 70 is installed on the base 50.Base 50 offers rotating hole 55, is used for installing the screw 59 of limited block 58, and guide groove 57.
Described riser 30 upper recess form a fixed station 32, and the bottom is extended with a rotating shaft 36.The described fiber orientation anchor clamps 20 of described fixed station upper support.Optical fiber 14 fixing on the described fiber orientation anchor clamps 20 is aimed at deflecting light beams by working hole 34.The rotating hole 55 that base is passed in described rotating shaft 36 with riser 30 rotational fixation on base 50.
Please also refer to Figure 11 and Figure 12, described operating body 40 is provided with screw 41, and is fixedly connected on riser 30 bottoms by screw 37.Described operating body 40 comprises first arm 43 and second arm 45 of connection board 30.Described first arm 43 is provided with the fixed leg 62 that passes base guide groove 57.Corresponding described fixed leg 62 is equipped with the cam securing member 60 that is used for determining position of rotation in described base 50 bottoms.Be connected with back-moving spring 74 between the screw 54 of described second arm 45 and base 50.The push rod 72 of described micrometric displacement regulator 70 front ends is replaced on second arm 45 of described operating body 40.
When needs detect the fiber end face of APC type, rotate described micrometric displacement regulator 70, the push rod 72 of described micrometric displacement regulator 70 further promotes described second arm 45.Second arm 45 drives described push body 40 and rotates, and described riser 30 and fiber orientation anchor clamps 20 also rotate thereupon, captures the displacement of promotion from micrometric displacement regulator 70, determines the angle that described fiber orientation anchor clamps 20 rotate.Pull the fixed leg 62 that the described operating body of described cam securing member 60 lockings connects, thereby lock the angle that described fiber orientation anchor clamps 20 rotate.When resetting, only need unclamp described cam securing member 60, described riser 30, operating body 40 rotate under the effect of spring restoring force together with the fiber orientation anchor clamps 20 on it, rotation under the prevention of base 50 back limited blocks 58, rest in initial position.
Above content be in conjunction with concrete preferred implementation to further describing that the present invention did, can not assert that concrete enforcement of the present invention is confined to these explanations.For the general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, can also make some simple deduction or replace, all should be considered as belonging to protection scope of the present invention.
Claims (8)
1. optical fiber end face detector, comprise shell, accommodate light source in the enclosure, optical interference circuit, image acquisition device, it is characterized in that: also comprise the ECU (Electrical Control Unit) of finely tuning optical interference circuit, has detection window on the described shell, tested optical fiber is fixed on the detection window place, the light beam of described light source is divided into reference beam by optical interference circuit and from the detection light beam of detection window detection fiber end face, described reference beam and detect beam reflection and form moire patterns and be imaged on the image acquisition device through the convex lens of optical interference circuit, described ECU (Electrical Control Unit) is finely tuned optical interference circuit, thereby forms the interference image information of some groups of derivation tested optical fiber transverse parameters on image acquisition device;
Also comprise the fiber orientation anchor clamps that are installed in shell detection window place, described fiber orientation anchor clamps comprise the stay pipe of locking that is used for inserting fiber stub, change the mechanism and be used for the unsteady steady arm of the further axial location joints of optical fibre of being locked of stay pipe size;
The described mechanism that is locked be included in horizontal expansion on the anchor clamps cantilever, push the handle that cantilevered distal end makes it produce small locking member that reverses and promote locking member, the part of described stay pipe integrates with cantilever, and described positioning fixture offers draw-in groove in the stay pipe both sides;
Described cantilever forms by offer elongate slot on positioning fixture;
Unsteady steady arm comprises the slide plate that slips into draw-in groove, is opened in the slideway and the projection locating flange on slide plate that pass through for stay pipe on the slide plate, offers locating notch on the described locating flange.
2. optical fiber end face detector according to claim 1, it is characterized in that: further comprise the processor that connects image acquisition device and ECU (Electrical Control Unit), described processor is finely tuned described optical interference circuit by ECU (Electrical Control Unit), and on image acquisition device, form some groups of interference image information, described processor receives described some groups of interference image information, and handles the geometric parameter that draws the tested optical fiber end face.
3. optical fiber end face detector according to claim 2 is characterized in that: the display device that further comprises the connection processing device.
4. optical fiber end face detector according to claim 3, it is characterized in that: described optical interference circuit comprises semi-transparent semi-reflecting lens, catoptron and convex lens, the laser beam of sending from light source is divided into reference beam by semi-transparent semi-reflecting lens and from the detection light beam of detection window detection fiber end face, wherein reference beam is via catoptron, semi-transparent semi-reflecting mirror reflection; Detect light beam from the tested optical fiber end face reflection; Described reference beam and detect beam reflection and form moire patterns and be imaged on the image acquisition device through the convex lens of optical interference circuit.
5. according to any described optical fiber end face detector of claim 1-4, it is characterized in that: described ECU (Electrical Control Unit) connects a micro positioner, described micro positioner drives catoptron and is subjected to displacement, thereby forms some groups of interference image information on described image acquisition device.
6. optical fiber end face detector according to claim 5 is characterized in that: described shell is being provided with the manual fine-tuning device that is used for finely tuning catoptron near the catoptron place.
7. optical fiber end face detector according to claim 1, it is characterized in that: described fiber orientation anchor clamps are fixed on the governor motion that can accurately rotate and reset, adjust the fiber end face of the governor motion test APC type joints of optical fibre, described governor motion comprises base, be rotatably installed in riser on the base, be fixed on the operating body on the riser and promote that operating body rotates be fixed on micrometric displacement regulator on the base, fix described fiber orientation anchor clamps on the described riser.
8. optical fiber end face detector according to claim 7, it is characterized in that: described operating body comprises first arm and second arm of connection board, described base offers guide groove, be connected with back-moving spring between described second arm and the base, described first arm is provided with the fixed leg that passes the base guide groove, and corresponding described fixed leg is provided with the cam securing member that is used for determining position of rotation in described base bottom.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2008100666591A CN101561260B (en) | 2008-04-16 | 2008-04-16 | Optical fibre end face surveymeter |
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| CN2008100666591A CN101561260B (en) | 2008-04-16 | 2008-04-16 | Optical fibre end face surveymeter |
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| CN101561260B true CN101561260B (en) | 2011-04-20 |
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| CN102997869A (en) * | 2012-12-24 | 2013-03-27 | 南京东利来光电实业有限责任公司 | Optical fiber end face verticality tester and testing method |
| CN104101599A (en) * | 2013-04-11 | 2014-10-15 | 鸿富锦精密工业（深圳）有限公司 | Optical fiber connector detection device |
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| CN105890872A (en) * | 2016-03-31 | 2016-08-24 | 罗炜 | Large-core-diameter optical fiber end surface detection method and device |
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Assignee: DIMENSION TECHNOLOGY CO.,LTD. Assignor: Zhou Qi Contract record no.: 2011440020169 Denomination of invention: Optical fiber end face detector Granted publication date: 20110420 License type: Exclusive License Open date: 20091021 Record date: 20110519 |
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Owner name: SHENZHEN DIMENSION TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: ZHOU QI Effective date: 20121108 |
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Effective date of registration: 20121108 Address after: 518000 Guangdong city of Shenzhen province Nanshan District Xili Liuxian Avenue honghualing Industrial Zone Industrial Park on the third floor of the North Fujian Lida Patentee after: DIMENSION TECHNOLOGY CO.,LTD. Address before: 518119 Guangdong city of Shenzhen province Nanshan District Nanyou blue season 2902C Patentee before: Zhou Qi |
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Address after: 518000 room 603, building 2, Chongwen Park, Nanshan Zhiyuan, No. 3370 Liuxian Avenue, Fuguang community, Taoyuan Street, Nanshan District, Shenzhen, Guangdong Patentee after: Shenzhen Dimension Technology Co.,Ltd. Address before: 518000 North, 3rd Floor, Minlida Industrial Park, Honghualing Industrial Zone, Xili Liuxian Avenue, Nanshan District, Shenzhen, Guangdong Province Patentee before: DIMENSION TECHNOLOGY CO.,LTD. |
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