CN204101768U - A kind of fiber alignment mechanism of optical fiber splicer - Google Patents
A kind of fiber alignment mechanism of optical fiber splicer Download PDFInfo
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- CN204101768U CN204101768U CN201420553778.0U CN201420553778U CN204101768U CN 204101768 U CN204101768 U CN 204101768U CN 201420553778 U CN201420553778 U CN 201420553778U CN 204101768 U CN204101768 U CN 204101768U
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Abstract
The utility model discloses a kind of fiber alignment mechanism of optical fiber splicer, fiber alignment mechanism comprises five dimension regulating platforms, lasing light emitter, coupling mechanism, the first optical power detector, the second optical power detector and controller, five dimension regulating platforms can provide X, Y, Z tri-direction translations, and X, Y-axis rotate, therefore, adopt the junction loss problem that this five dimensions regulating platform can solve the inclination of optical fiber, the gap of transversion malposition and axis is caused, improve optical fiber align precision.
Description
Technical field
The utility model relates to optical fiber splicer field, particularly relates to a kind of fiber alignment mechanism of optical fiber splicer.
Background technology
Optical fiber splicer plays indispensable effect in optical communication industry.At present, on market main type be the 3rd, the fibre core of forth generation direct-view type, in fused fiber splice process, fiber core aim at be one the most basic, be also most important operation, the precision of the aligning before two fused fiber splices directly affects the welding effect of optical fiber.Due to the aberration of camera and the pixel restriction of CCD, optical fiber align precision cannot improve.The fibre core that optical fiber splicer in the market adopts regulates aligning guide many employings spring lever formula three-dimensional adjusting mechanism, and the mainly mechanical friction of this mechanism is large, and alignment precision is not high, and can not solve the problem axially tilted in optical fiber align process.In fact the fiber optic splicing loss caused by the inclination angle of optical fiber can not be ignored.
Summary of the invention
For overcoming deficiency of the prior art, the purpose of this utility model is the junction loss problem providing a kind of inclination that can solve optical fiber to cause, and improves the fiber alignment mechanism of the optical fiber splicer of optical fiber align precision.
For achieving the above object, the utility model is by the following technical solutions:
A fiber alignment mechanism for optical fiber splicer, is characterized in that: it comprises five dimension regulating platforms, lasing light emitter, coupling mechanism, the first optical power detector, the second optical power detector and controller;
Described five dimension regulating platforms comprise X-axis rotating mechanism, and the output terminal of X-axis rotating mechanism is fixed with the first pedestal, and the first pedestal is driven by X-axis electric rotating machine and rotates around X-axis;
Described first pedestal is provided with Z axis guide rail, and Z axis slide on rails is connected with the second pedestal, and the second pedestal is driven by Z axis sliding motor and moves along Z axis guide rail;
Described second pedestal is provided with Y-axis guide rail, and Y-axis slide on rails is connected with the 3rd pedestal, and the 3rd pedestal is driven by Y-axis sliding motor and moves along Y-axis guide rail;
Described 3rd pedestal is provided with X-axis guide rail, and X-axis slide on rails is connected with Y-axis rotating mechanism, and Y-axis rotating mechanism is driven by X-axis sliding motor and moves along X-axis guide rail;
The output terminal of described Y-axis rotating mechanism is fixed with worktable, and described worktable is driven by Y-axis electric rotating machine and rotates around Y-axis;
Described lasing light emitter is located at the side of worktable along Z axis guide rail direction, and described coupling mechanism is located in the light path of lasing light emitter light injection;
The output terminal of described coupling mechanism is provided with reference path delivery outlet and coupling optical path delivery outlet, described first optical power detector is connected to the reference path delivery outlet of coupling mechanism, and the first optical power detector is sequentially connected to controller by the first amplifying circuit and the first A/D converter;
The coupling optical path delivery outlet of described coupling mechanism is fixed with first by fixture and treats welding optic fibre, and described worktable is fixed with second by fixture and treats welding optic fibre, second treats that welding optic fibre is arranged along Z-direction; Described second treats welding Fiber connection to the second optical power detector, and described second optical power detector is sequentially connected to controller by the second amplifying circuit and the second A/D converter;
Described X-axis sliding motor, Y-axis sliding motor, Z axis sliding motor, X-axis electric rotating machine, Y-axis electric rotating machine are connected to controller respectively, by controller controlled motion, and then control the motion of worktable, described worktable is when diverse location, controller can distinguish the positional information of writing task platform, and then the positional information of welding optic fibre treated in record second.
Further, the Y type coupling mechanism of described coupling mechanism to be splitting ratio be 1:1.
Further, described lasing light emitter sends the wavelength of laser is 1310nm.
The utility model can record second until welding fibre movement to optical power ratio during diverse location by two optical power detectors and controller, adopts the method for optical power detecting to regulate aligning optical fiber, not only convenient and swift, and alignment precision is high.In addition, the utility model aligning guide five dimension regulating platforms can provide X, Y, Z tri-direction translations, and X, Y-axis rotate, therefore, adopt the junction loss problem that this five dimensions regulating platform can solve the inclination of optical fiber, the gap of transversion malposition and axis is caused, improve optical fiber align precision.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the utility model is described in further details:
Fig. 1 is the overall schematic of the fiber alignment mechanism of the utility model optical fiber splicer;
Fig. 2 is the structural representation of five dimension regulating platforms in the utility model;
Fig. 3 is the schematic diagram that the utility model carries out lateral adjustments;
Fig. 4 is the utility model second welding optic fibre does tilt adjustment schematic diagram around X-axis;
Fig. 5 is the utility model second welding optic fibre does tilt adjustment schematic diagram around Y-axis.
Embodiment
As shown in one of Fig. 1-5, the fiber alignment mechanism of a kind of optical fiber splicer of the utility model, it comprises five dimension regulating platforms 3, lasing light emitter 4, coupling mechanism 5, first optical power detector 6, second optical power detector 7 and controller 8;
Described five dimension regulating platforms 3 comprise X-axis rotating mechanism 301, and the output terminal of X-axis rotating mechanism 301 is fixed with the first pedestal 302, first pedestal 302 and is driven by X-axis electric rotating machine 303 and rotate around X-axis;
Described first pedestal 302 is provided with Z axis guide rail 304, Z axis guide rail 304 slidably connects the second pedestal 305, second pedestal 305 and is driven by Z axis sliding motor 306 and move along Z axis guide rail 304;
Described second pedestal 305 is provided with Y-axis guide rail 307, Y-axis guide rail 307 slidably connects the 3rd pedestal the 308, three pedestal 308 and is driven by Y-axis sliding motor 309 and move along Y-axis guide rail 307;
Described 3rd pedestal 308 is provided with X-axis guide rail 310, X-axis guide rail 310 slidably connects Y-axis rotating mechanism 311, and Y-axis rotating mechanism 311 is driven by X-axis sliding motor 312 and moves along X-axis guide rail 310;
The output terminal of described Y-axis rotating mechanism 311 is fixed with worktable 313, and described worktable 313 is driven by Y-axis electric rotating machine 314 and rotates around Y-axis;
Described lasing light emitter 4 is located at the side of worktable 313 along Z axis guide rail 304 direction, and described coupling mechanism 5 is located in the light path of lasing light emitter 4 light injection;
The output terminal of described coupling mechanism 5 is provided with reference path delivery outlet and coupling optical path delivery outlet, described first optical power detector 6 is connected to the reference path delivery outlet of coupling mechanism 5, and the first optical power detector 6 is sequentially connected to controller 8 by the first amplifying circuit 9 and the first A/D converter 10;
The coupling optical path delivery outlet of described coupling mechanism 5 is fixed with first by fixture and treats welding optic fibre 1, described worktable 313 is fixed with second by fixture and treats welding optic fibre 2, and second treats that welding optic fibre 2 is arranged along Z-direction; Described second treats that welding optic fibre 2 is connected to the second optical power detector 7, and described second optical power detector 7 is sequentially connected to controller 8 by the second amplifying circuit 11 and the second A/D converter 12;
Described X-axis sliding motor 312, Y-axis sliding motor 309, Z axis sliding motor 306, X-axis electric rotating machine 303, Y-axis electric rotating machine 314 are connected to controller 8 respectively, by controller 8 controlled motion, and then control the motion of worktable 313, described worktable 313 is when diverse location, controller 8 can distinguish the positional information of writing task platform 313, and then the positional information of welding optic fibre 2 treated in record second.
Described coupling mechanism 5 for splitting ratio be the Y type coupling mechanism of 1:1.
The wavelength that described lasing light emitter 4 sends laser is 1310nm.
Application the utility model carry out fiber-optic alignment automation algorithm, method is as follows, described fiber-optic alignment automation algorithm by mensuration optical power ratio regulate aligning first to treat welding optic fibre 1 and second treats welding optic fibre 2;
Described optical power ratio σ=P
go out/ P
enter,
Described P
enterfor treating that welding optic fibre 1 penetrates the luminous power of laser from first, P
go outbe first treat that the laser that welding optic fibre 1 penetrates enters the luminous power that second treats welding optic fibre 2, wherein P
go outrecorded by the second optical power detector 7;
The luminous power ratio that the reference path delivery outlet of described coupling mechanism 5 and coupling optical path delivery outlet penetrate laser is 1:1, from first, the luminous power of described coupling optical path delivery outlet injection laser is equal to treats that welding optic fibre 1 penetrates the luminous power of laser, then treat that luminous power that welding optic fibre 1 penetrates laser equals the luminous power of reference path delivery outlet injection laser from first, the two ratio is 1:1; Wherein, the luminous power of reference path delivery outlet injection laser is recorded by the first optical power detector 6;
The data that described first optical power detector 6 and the second optical power detector 7 record respectively input in controller 8 through amplification, A/D after transforming, and controller 8 carries out further operational analysis can obtain optical power ratio;
Time initial, described first treats that welding optic fibre 1 and second treats that the end face distance that welding optic fibre 2 is relative is greater than 2000 μm;
Described fiber-optic alignment automation algorithm comprises the following steps:
1) axial adjustment:
A, controller 8 control Z axis sliding motor 306 drive second to treat welding optic fibre 2 is along Z axis translation, and to treat that welding optic fibre 1 direction advances 1930-1950 μm near first, preferably 1940 μm, controller 8 obtains second and treats the optical power ratio σ of welding optic fibre 2 on this position
10with Z axis coordinate Z
10, and by (σ
10, Z
10) store;
B, controller 8 control Z axis sliding motor 306 continues driving second and treats that welding optic fibre 2 is along Z axis translation, to treat that welding optic fibre 1 direction advances near first, in units of 2-4 μm, often advance once, obtain second and treat the optical power ratio σ of welding optic fibre 2 on this position
1iwith Z axis coordinate Z
1i, and by (σ
1i, Z
1i) store, wherein i=1,2,3
C, controller 8 couples of σ
10, σ
1icarry out contrast monitoring, press under normal circumstances, optical fiber optical power ratio in progradation can constantly increase, if σ
1ioccur reduce, then second treat that welding optic fibre 2 and first treats that welding optic fibre 1 occurs top, now Z axis sliding motor 306 drive second to treat welding optic fibre 2 is along Z axis translation, to treat that welding optic fibre 1 direction is moved away from first, pull back 3-6 μm; Now the end face distance of two optical fiber is Optimum End interplanar distance, due to meeting expanded by heating during fused fiber splice, so it is good for will reserving certain interval between two optical fiber;
2) transverse direction and tilt adjustment:
A, treat that the axle center of welding optic fibre 2 is first sampling spot with second, treat around welding optic fibre 2 around setting at least 8 all the other sampling spots second, be 8 all the other sampling spots in the present embodiment, all the other sampling spots treat the distribution in regular polygon centered by the axle center of welding optic fibre 2 by second, are square in the present embodiment; Controller 8 control Y-axis sliding motor 309 and/or X-axis sliding motor 312 drive second to treat welding optic fibre 2 is at Y-X move in plane, second treats that welding optic fibre 2 is from first sampling spot, then the second sampling spot treating around welding optic fibre 2 is arranged on by sequentially arriving clockwise or counterclockwise, concrete can as shown in Figure 4, and second treats that welding optic fibre 2 moves by 00 → 01 → 02 → 03 → 04 → 05 → 06 → 07 → 08 successively; Described second when welding optic fibre 2 is at each sampling spot, controller 8 first obtain corresponding position initial time optical power ratio σ
2n0, inclination angle theta
2n0with position coordinates (x
2n, y
2n), and store, wherein n=0,1,2,3 ... 8; Then controller 8 control X-axis electric rotating machine 303 and Y-axis electric rotating machine 314 drive second to treat welding optic fibre 2 does tilt adjustment, it is produce axial inclination because of being lined with particulate face in fixture V groove that optical fiber does tilt adjustment, optical fiber is generally upwards, to the left or to the right tilt, generally there will not be downward-sloping situation, therefore tilt adjustment comprises the following steps:
A
1, controller 8 control X-axis electric rotating machine 303 drive second to treat welding optic fibre 2 is rotated counterclockwise N ° around X-axis in Y-Z plane, controller 8 obtains second and treats the optical power ratio σ of welding optic fibre 2 on this position
2n1and inclination angle theta
2n1, at the same time by (σ
2n1, θ
2n1) store; Inclination angle theta
2n1for the inclination angle in Y-Z plane;
A
2, controller 8 control Y-axis electric rotating machine 314 drive second to treat welding optic fibre 2 is rotated counterclockwise N ° around Y-axis in Z-X plane, controller 8 obtains second and treats the optical power ratio σ of welding optic fibre 2 on this position
2n2and inclination angle theta
2n2, simultaneously by (σ
2n2, θ
2n2) store; Inclination angle theta
2n2for the inclination angle in Z-X plane;
A
3, controller 8 control Y-axis electric rotating machine 314 drive second to treat welding optic fibre 2 to turn clockwise N ° of return then the N ° that turns clockwise around Y-axis in Z-X plane, controller 8 obtains second and treats the optical power ratio σ of welding optic fibre 2 on this position
2n3and inclination angle theta
2n3, simultaneously by (σ
2n3, θ
2n3) store; Inclination angle theta
2n3for the inclination angle in Z-X plane
A
4, controller 8 control Y-axis electric rotating machine 314 drive second to treat welding optic fibre 2 is rotated counterclockwise N ° of return around Y-axis in Z-X plane;
A
5, controller 8 control X-axis electric rotating machine 303 drive second to treat welding optic fibre 2 turns clockwise N ° around X-axis in Y-Z plane gets back to initial position; Wherein, N=0.05-0.15, preferred N=0.1;
A
6, controller 8 compares power ratio σ
2n0, σ
2n1, σ
2n2, σ
2n3size, obtain the inclination angle corresponding to sampling spot place, place maximum power ratio, and store;
B, controller 8 carry out monitoring contrast to the optical power ratio of the second optical fiber when each sampling spot is initial, obtain the position coordinates of sampling spot corresponding to maximum initial optical power ratio, then controller 8 controls Y-axis sliding motor 309 and/or X-axis sliding motor 312, by the position of sampling spot maximum for the second optical power ratio when welding optic fibre 2 is repositioned onto initial; Then, controller 8 controls Y-axis electric rotating machine 314 and/or X-axis electric rotating machine 303, treats that welding optic fibre 2 rotates again navigate to the position of place sampling spot maximum luminous power than corresponding inclination angle by second.
Claims (3)
1. a fiber alignment mechanism for optical fiber splicer, is characterized in that: it comprises five dimension regulating platforms, lasing light emitter, coupling mechanism, the first optical power detector, the second optical power detector and controller;
Described five dimension regulating platforms comprise X-axis rotating mechanism, and the output terminal of X-axis rotating mechanism is fixed with the first pedestal, and the first pedestal is driven by X-axis electric rotating machine and rotates around X-axis;
Described first pedestal is provided with Z axis guide rail, and Z axis slide on rails is connected with the second pedestal, and the second pedestal is driven by Z axis sliding motor and moves along Z axis guide rail;
Described second pedestal is provided with Y-axis guide rail, and Y-axis slide on rails is connected with the 3rd pedestal, and the 3rd pedestal is driven by Y-axis sliding motor and moves along Y-axis guide rail;
Described 3rd pedestal is provided with X-axis guide rail, and X-axis slide on rails is connected with Y-axis rotating mechanism, and Y-axis rotating mechanism is driven by X-axis sliding motor and moves along X-axis guide rail;
The output terminal of described Y-axis rotating mechanism is fixed with worktable, and described worktable is driven by Y-axis electric rotating machine and rotates around Y-axis;
Described lasing light emitter is located at the side of worktable along Z axis guide rail direction, and described coupling mechanism is located in the light path of lasing light emitter light injection;
The output terminal of described coupling mechanism is provided with reference path delivery outlet and coupling optical path delivery outlet, described first optical power detector is connected to the reference path delivery outlet of coupling mechanism, and the first optical power detector is sequentially connected to controller by the first amplifying circuit and the first A/D converter;
The coupling optical path delivery outlet of described coupling mechanism is fixed with first by fixture and treats welding optic fibre, and described worktable is fixed with second by fixture and treats welding optic fibre, second treats that welding optic fibre is arranged along Z-direction; Described second treats welding Fiber connection to the second optical power detector, and described second optical power detector is sequentially connected to controller by the second amplifying circuit and the second A/D converter;
Described X-axis sliding motor, Y-axis sliding motor, Z axis sliding motor, X-axis electric rotating machine, Y-axis electric rotating machine are connected to controller respectively, by controller controlled motion, and then control the motion of worktable, described worktable is when diverse location, controller can distinguish the positional information of writing task platform, and then the positional information of welding optic fibre treated in record second.
2. the fiber alignment mechanism of a kind of optical fiber splicer according to claim 1, is characterized in that: the Y type coupling mechanism of described coupling mechanism to be splitting ratio be 1:1.
3. the fiber alignment mechanism of a kind of optical fiber splicer according to claim 1, is characterized in that: the wavelength that described lasing light emitter sends laser is 1310nm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420553778.0U CN204101768U (en) | 2014-09-25 | 2014-09-25 | A kind of fiber alignment mechanism of optical fiber splicer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420553778.0U CN204101768U (en) | 2014-09-25 | 2014-09-25 | A kind of fiber alignment mechanism of optical fiber splicer |
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| CN204101768U true CN204101768U (en) | 2015-01-14 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104199148A (en) * | 2014-09-25 | 2014-12-10 | 福建师范大学 | Optical fiber alignment mechanism and optical fiber automatic alignment algorithm of optical fiber fusion splicer |
| CN107741615A (en) * | 2017-10-16 | 2018-02-27 | 深圳市中科智诚科技有限公司 | A kind of optical fiber splicer for being easy to fibre core to be aligned |
| CN108873333A (en) * | 2018-05-24 | 2018-11-23 | 成都理想境界科技有限公司 | A kind of display module apparatus for adjusting position and display equipment |
| CN109366396A (en) * | 2018-12-13 | 2019-02-22 | 湖北航嘉麦格纳座椅系统有限公司 | A kind of positioning installation apparatus and sliding rail of automobile seat assembly tooling |
-
2014
- 2014-09-25 CN CN201420553778.0U patent/CN204101768U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104199148A (en) * | 2014-09-25 | 2014-12-10 | 福建师范大学 | Optical fiber alignment mechanism and optical fiber automatic alignment algorithm of optical fiber fusion splicer |
| CN107741615A (en) * | 2017-10-16 | 2018-02-27 | 深圳市中科智诚科技有限公司 | A kind of optical fiber splicer for being easy to fibre core to be aligned |
| CN108873333A (en) * | 2018-05-24 | 2018-11-23 | 成都理想境界科技有限公司 | A kind of display module apparatus for adjusting position and display equipment |
| CN109366396A (en) * | 2018-12-13 | 2019-02-22 | 湖北航嘉麦格纳座椅系统有限公司 | A kind of positioning installation apparatus and sliding rail of automobile seat assembly tooling |
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