CN104199148A - Optical fiber alignment mechanism and optical fiber automatic alignment algorithm of optical fiber fusion splicer - Google Patents
Optical fiber alignment mechanism and optical fiber automatic alignment algorithm of optical fiber fusion splicer Download PDFInfo
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- CN104199148A CN104199148A CN201410495949.3A CN201410495949A CN104199148A CN 104199148 A CN104199148 A CN 104199148A CN 201410495949 A CN201410495949 A CN 201410495949A CN 104199148 A CN104199148 A CN 104199148A
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Abstract
The invention discloses an optical fiber alignment mechanism and an optical fiber automatic alignment algorithm of an optical fiber fusion splicer. The optical fiber alignment mechanism comprises a five-dimensional adjusting table, a laser source, a coupler, a first optical powder detector, a second optical powder detector and a controller, wherein the five-dimensional adjusting table can provide translation in an X direction, a Y direction and a Z direction, and rotation around an X axis and a Y axis to solve the problem of axial inclination during optical fiber alignment. The optical fiber automatic alignment algorithm comprises 1) axial adjustment, and 2) transversal adjustment and inclination angle adjustment, and is used for solving the connection loss problem caused by optical fiber inclination, transversal transplacement and axial clearance, so as to improve optical fiber alignment accuracy.
Description
Technical field
The present invention relates to optical fiber splicer field, relate in particular to a kind of optical fiber align mechanism and fiber-optic alignment automation algorithm of optical fiber splicer.
Background technology
Optical fiber splicer plays indispensable effect in optical communication industry.At present, on market, main type is the fibre core direct-view type in the 3rd, the 4th generation, 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 restriction of the pixel of CCD, optical fiber align precision cannot improve.Fibre core that optical fiber splicer in the market adopts regulates aligning guide to adopt spring lever formula three-dimensional adjusting mechanism more, this mechanism be mainly that mechanical friction is large, alignment precision is not high, and can not solve the problem of axioversion in optical fiber align process.In fact the fiber optic splicing loss being caused by the inclination angle of optical fiber can not be ignored.
Summary of the invention
For overcoming deficiency of the prior art, the junction loss problem that the object of the present invention is to provide a kind of inclination that can solve optical fiber to cause, optical fiber align mechanism and the fiber-optic alignment automation algorithm of the optical fiber splicer of raising optical fiber align precision.
For achieving the above object, the present invention is by the following technical solutions:
An optical fiber align 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 and rotated around X-axis by X-axis electric rotating machine;
Described the first pedestal is provided with Z axis guide rail, slidably connects the second pedestal on Z axis guide rail, and the second pedestal is driven and moved along Z axis guide rail by Z axis sliding motor;
Described the second pedestal is provided with Y-axis guide rail, slidably connects the 3rd pedestal on Y-axis guide rail, and the 3rd pedestal is driven and moved along Y-axis guide rail by Y-axis sliding motor;
Described the 3rd pedestal is provided with X-axis guide rail, slidably connects Y-axis rotating mechanism on X-axis guide rail, and Y-axis rotating mechanism is driven and moved along X-axis guide rail by X-axis sliding motor;
The output terminal of described Y-axis rotating mechanism is fixed with worktable, and described worktable is driven and rotated around Y-axis by Y-axis electric rotating machine;
Described lasing light emitter is located at worktable along a side of Z axis guide rail direction, and described coupling mechanism is located in the light path of lasing light emitter light ejaculation;
The output terminal of described coupling mechanism is provided with reference path delivery outlet and coupling optical path delivery outlet, described the 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, is fixed with second treats welding optic fibre on described worktable by fixture, and second treats that welding optic fibre is along Z-direction setting; Described second treats that welding optic fibre is connected to the second optical power detector, and described the 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 respectively controller, by controller controlled motion, and then the motion of control worktable, described worktable is when diverse location, controller can be distinguished the positional information of writing task platform, and then the positional information of welding optic fibre treated in record second.
Further, described coupling mechanism is that splitting ratio is the Y type coupling mechanism of 1:1.
Further, described lasing light emitter sends that to swash light wavelength be 1310nm.
A fiber-optic alignment automation algorithm for the optical fiber align mechanism of optical fiber splicer, described fiber-optic alignment automation algorithm recently regulates and aims at first and treat that welding optic fibre and second treats welding optic fibre by measuring luminous power;
Described luminous power is than σ=P
go out/ P
enter,
Described P
enterfor treating that from first welding optic fibre penetrates the luminous power of laser, P
go outbe first to treat that laser that welding optic fibre penetrates enters the second luminous power for the treatment of welding optic fibre, wherein P
go outby the second optical power detector, recorded;
The luminous power ratio that the reference path delivery outlet of described coupling mechanism and coupling optical path delivery outlet penetrate laser is 1:1, the luminous power of described coupling optical path delivery outlet ejaculation laser is equal to from first treats that welding optic fibre penetrates the luminous power of laser, from first, treat that the luminous power of welding optic fibre ejaculation laser equals the luminous power that reference path delivery outlet penetrates laser, the two ratio is 1:1, wherein, the luminous power of reference path delivery outlet ejaculation laser is recorded by the first optical power detector;
The data that described the first optical power detector and the second optical power detector record respectively input in controller after transforming through amplification, A/D, and controller carries out further operational analysis can obtain luminous power ratio;
When initial, described first treats that the end face distance that welding optic fibre and second treats that welding optic fibre is relative is greater than 2000 μ m;
Described fiber-optic alignment automation algorithm comprises the following steps:
1) axial adjustment:
A, controller are controlled Z axis sliding motor and are driven second to treat that welding optic fibre is along Z axis translation, and to treat that near first welding optic fibre direction advances 1930-1950 μ m, controller obtains second and treats that welding optic fibre compares σ in this locational luminous power
10with Z axis coordinate Z
10, and by (σ
10, Z
10) storage;
B, controller are controlled Z axis sliding motor and are continued to drive second to treat that welding optic fibre is along Z axis translation, and to treat that near first welding optic fibre direction advances, the 2-4 μ m of take is unit, and every propelling once, obtains second and treats that welding optic fibre compares σ in this locational luminous power
1iwith Z axis coordinate Z
1i, and by (σ
1i, Z
1i) storage, wherein i=1,2,3
C, controller are to σ
10, σ
1icontrast monitoring, if σ
1iappearance reduces, and second treats that welding optic fibre and first treats that welding optic fibre occurs top, and now Z axis sliding motor drives second to treat that welding optic fibre is along Z axis translation, and to treat that away from first welding optic fibre direction moves, 3-6 μ m pulls back;
2) horizontal and tilt adjustment:
A, take and second treat that the axle center of welding optic fibre is first sampling spot, second, treat that welding optic fibre is around around at least 8 all the other sampling spots are set, all the other sampling spots treat that by second being regular polygon centered by the axle center of welding optic fibre distributes; Y-axis sliding motor controlled by controller and/or X-axis sliding motor drives second to treat that welding optic fibre is at the flat in-plane moving of Y-X, second treats that welding optic fibre is from first sampling spot, then by clockwise or counterclockwise sequentially arrival, is arranged on second and treats welding optic fibre sampling spot around; Described second until welding optic fibre during at each sampling spot, and controller first obtains the luminous power of corresponding position when initial and compares σ
2n0, inclination angle [theta]
2n0and position coordinates (x
2n, y
2n), and storage, wherein n=0,1,2,3 Then controller is controlled X-axis electric rotating machine and Y-axis electric rotating machine and is driven second to treat that welding optic fibre does tilt adjustment, and described tilt adjustment comprises the following steps:
A
1, controller controls X-axis electric rotating machine and drives second to treat that welding optic fibre is rotated counterclockwise N ° around X-axis in Y-Z plane, controller obtains second and treats that welding optic fibre compares σ in this locational luminous power
2n1and inclination angle [theta]
2n1, simultaneously by (σ
2n1, θ
2n1) storage;
A
2, controller controls Y-axis electric rotating machine and drives second to treat that welding optic fibre is rotated counterclockwise N ° around Y-axis in Z-X plane, controller obtains second and treats that welding optic fibre compares σ in this locational luminous power
2n2and inclination angle [theta]
2n2, simultaneously by (σ
2n2, θ
2n2) storage;
A
3, controller control Y-axis electric rotating machine drive second treat welding optic fibre in Z-X plane around the Y-axis N ° of return that turn clockwise, then the N ° that turns clockwise, controller obtains second and treats that welding optic fibre compares σ in this locational luminous power
2n3and inclination angle [theta]
2n3, simultaneously by (σ
2n3, θ
2n3) storage;
A
4, controller controls Y-axis electric rotating machine and drives second to treat that welding optic fibre is rotated counterclockwise N ° of return around Y-axis in Z-X plane;
A
5, controller controls X-axis electric rotating machine and drives second to treat that welding optic fibre turns clockwise N ° and gets back to initial position around X-axis in Y-Z plane; Wherein, N=0.05-0.15;
A
6, controller power ratio σ relatively
2n0, σ
2n1, σ
2n2, σ
2n3size, obtain the corresponding inclination angle of maximum power ratio, sampling spot place, place, and storage;
B, controller to the second optical fiber the luminous power ratio when each sampling spot is initial monitor contrast, obtain maximum initial luminous power than the position coordinates of institute corresponding sample point, then controller is controlled Y-axis sliding motor and/or X-axis sliding motor, by second, until welding optic fibre, is repositioned onto luminous power when initial than the position of maximum sampling spot; Then, controller is controlled Y-axis electric rotating machine and/or X-axis electric rotating machine, treats that welding optic fibre rotates again navigate to place sampling spot maximum luminous power than the position of institute counter-bevel by second.
Further, in described step 1), controller is controlled Z axis sliding motor and is driven second to treat that welding optic fibre is along Z axis translation, to treat that near first welding optic fibre direction advances 1940 μ m.
Further, described step 2) in, N=0.1.
The present invention by two optical power detectors and controller can record second until welding fibre movement the luminous power ratio when the diverse location, adopt the method for optical power detecting to regulate aligning optical fiber, not only convenient and swift, and alignment precision is high.In addition, five dimension regulating platforms of aligning guide of the present invention can provide X, Y, tri-direction translations of Z, and the rotation of X, Y-axis, therefore, the junction loss problem that cause in inclination, transversion malposition and the axial gap that adopts this five dimensions regulating platform can solve optical fiber, improves optical fiber align precision.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the present invention is described in further details:
Fig. 1 is the overall schematic of the optical fiber align mechanism of optical fiber splicer of the present invention;
Fig. 2 is the structural representation of five dimension regulating platforms in the present invention;
Fig. 3 is the schematic diagram of lateral adjustments of the present invention;
Fig. 4 is that the present invention's the second welding optic fibre is made the schematic diagram of tilt adjustment around X-axis;
Fig. 5 is that the present invention's the second welding optic fibre is made the schematic diagram of tilt adjustment around Y-axis.
Embodiment
As shown in one of Fig. 1-5, the optical fiber align mechanism of a kind of optical fiber splicer of the present invention, it comprises five dimension regulating platforms 3, lasing light emitter 4, coupling mechanism 5, the first optical power detector 6, the 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, the first pedestals 302 and is driven and rotated around X-axis by X-axis electric rotating machine 303;
Described the first pedestal 302 is provided with Z axis guide rail 304, slidably connects the second pedestal 305, the second pedestals 305 and driven and moved along Z axis guide rail 304 by Z axis sliding motor 306 on Z axis guide rail 304;
Described the second pedestal 305 is provided with Y-axis guide rail 307, slidably connects the 3rd pedestal 308, the three pedestals 308 and driven and moved along Y-axis guide rail 307 by Y-axis sliding motor 309 on Y-axis guide rail 307;
Described the 3rd pedestal 308 is provided with X-axis guide rail 310, slidably connects Y-axis rotating mechanism 311 on X-axis guide rail 310, and Y-axis rotating mechanism 311 is driven and moved along X-axis guide rail 310 by X-axis sliding motor 312;
The output terminal of described Y-axis rotating mechanism 311 is fixed with worktable 313, and described worktable 313 is driven and rotated around Y-axis by Y-axis electric rotating machine 314;
Described lasing light emitter 4 is located at worktable 313 along a side of Z axis guide rail 304 directions, and described coupling mechanism 5 is located in the light path of lasing light emitter 4 light ejaculations;
The output terminal of described coupling mechanism 5 is provided with reference path delivery outlet and coupling optical path delivery outlet, described the 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, is fixed with second treats that welding optic fibre 2, the second treats that welding optic fibre 2 is along Z-direction setting on described worktable 313 by fixture; Described second treats that welding optic fibre 2 is connected to the second optical power detector 7, and described the 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 respectively controller 8, by controller 8 controlled motions, and then the motion of control worktable 313, described worktable 313 is when diverse location, controller 8 can be distinguished the positional information of writing task platform 313, and then the positional information of welding optic fibre 2 treated in record second.
The Y type coupling mechanism that described coupling mechanism 5 is 1:1 for splitting ratio.
It is 1310nm that described lasing light emitter 4 sends sharp light wavelength.
A fiber-optic alignment automation algorithm for the optical fiber align mechanism of optical fiber splicer, described fiber-optic alignment automation algorithm recently regulates and aims at first and treat that welding optic fibre 1 and second treats welding optic fibre 2 by measuring luminous power;
Described luminous power is than σ=P
go out/ P
enter,
Described P
enterfor treating that from first welding optic fibre 1 penetrates the luminous power of laser, P
go outbe first to treat that laser that welding optic fibre 1 penetrates enters the second luminous power for the treatment of welding optic fibre 2, wherein P
go outby the second optical power detector 7, recorded;
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, the luminous power of described coupling optical path delivery outlet ejaculation laser is equal to from first treats that welding optic fibre 1 penetrates the luminous power of laser, from first, treat that the luminous power that welding optic fibre 1 penetrates laser equals the luminous power that reference path delivery outlet penetrates laser, the two ratio is 1:1; Wherein, the luminous power of reference path delivery outlet ejaculation laser is recorded by the first optical power detector 6;
The data that described the first optical power detector 6 and the second optical power detector 7 record respectively input in controller 8 after transforming through amplification, A/D, and controller 8 carries out further operational analysis can obtain luminous power ratio;
When initial, described first treats that the end face distance that welding optic fibre 1 and second treats that welding optic fibre 2 is relative is greater than 2000 μ m;
Described fiber-optic alignment automation algorithm comprises the following steps:
1) axial adjustment:
A, controller 8 are controlled Z axis sliding motor 306 and are driven second to treat that welding optic fibre 2 is along Z axis translation, and to treat that near first welding optic fibre 1 direction advances 1930-1950 μ m, 1940 μ m preferably, controller 8 obtains second and treats that welding optic fibre 2 compares σ in this locational luminous power
10with Z axis coordinate Z
10, and by (σ
10, Z
10) storage;
B, controller 8 are controlled Z axis sliding motor 306 and are continued to drive second to treat that welding optic fibre 2 is along Z axis translation, to treat that near first welding optic fibre 1 direction advances, the 2-4 μ m of take is unit, and every propelling once, obtains second and treats that welding optic fibre 2 compares σ in this locational luminous power
1iwith Z axis coordinate Z
1i, and by (σ
1i, Z
1i) storage, wherein i=1,2,3
C, 8 couples of σ of controller
10, σ
1icontrast monitoring, press under normal circumstances, optical fiber is the continuous increase of luminous power ratio meeting in progradation, if σ
1iappearance reduces, and second treats that welding optic fibre 2 and first treats that welding optic fibre 1 occurs top, and now Z axis sliding motor 306 drives second to treat that welding optic fibre 2 is along Z axis translation, and to treat that away from first welding optic fibre 1 direction moves, 3-6 μ m pulls back; Now the end face distance of two optical fiber is Optimum End interplanar distance, and during due to fused fiber splice, meeting expanded by heating, is good so will reserve certain interval between two optical fiber;
2) horizontal and tilt adjustment:
A, take and second treat that the axle center of welding optic fibre 2 is first sampling spot, second, treat that welding optic fibre 2 is around around at least 8 all the other sampling spots are set, in the present embodiment, be 8 all the other sampling spots, all the other sampling spots treat that being regular polygon centered by the axle center of welding optic fibre 2 distributes by second, be square in the present embodiment; Y-axis sliding motor 309 controlled by controller 8 and/or X-axis sliding motor 312 drives second to treat that welding optic fibre 2 is at the flat in-plane moving of Y-X, second treats that welding optic fibre 2 is from first sampling spot, then by clockwise or counterclockwise sequentially arrival, be arranged on second and treat welding optic fibre 2 sampling spot around, concrete can be 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 until welding optic fibre 2 during at each sampling spot, and controller 8 first obtains the luminous power of corresponding position when initial and compares σ
2n0, inclination angle [theta]
2n0and position coordinates (x
2n, y
2n), and storage, wherein n=0,1,2,3 ... 8; Then controller 8 is controlled X-axis electric rotating machines 303 and Y-axis electric rotating machine 314 and is driven second to treat that welding optic fibre 2 does tilt adjustment, it is to produce axial inclination because be lined with particulate face in fixture V groove that optical fiber is done tilt adjustment, optical fiber is generally upwards, tilts to the left or to the right, generally there will not be downward-sloping situation, so tilt adjustment comprises the following steps:
A
1, controller 8 controls X-axis electric rotating machines 303 and drives second to treat that welding optic fibre 2 is rotated counterclockwise N ° around X-axis in Y-Z plane, controller 8 obtains second and treats that welding optic fibre 2 compares σ in this locational luminous power
2n1and inclination angle [theta]
2n1, at the same time by (σ
2n1, θ
2n1) storage; Inclination angle [theta]
2n1for the inclination angle in Y-Z plane;
A
2, controller 8 controls Y-axis electric rotating machines 314 and drives second to treat that welding optic fibre 2 is rotated counterclockwise N ° around Y-axis in Z-X plane, controller 8 obtains second and treats that welding optic fibre 2 compares σ in this locational luminous power
2n2and inclination angle [theta]
2n2, simultaneously by (σ
2n2, θ
2n2) storage; Inclination angle [theta]
2n2for the inclination angle in Z-X plane;
A
3, controller 8 control Y-axis electric rotating machines 314 drive second treat welding optic fibre 2 in Z-X plane around the Y-axis N ° of return that turn clockwise, then the N ° that turns clockwise, controller 8 obtains second and treats that welding optic fibre 2 compares σ in this locational luminous power
2n3and inclination angle [theta]
2n3, simultaneously by (σ
2n3, θ
2n3) storage; Inclination angle [theta]
2n3for the inclination angle in Z-X plane
A
4, controller 8 controls Y-axis electric rotating machines 314 and drives second to treat that welding optic fibre 2 is rotated counterclockwise N ° of return around Y-axis in Z-X plane;
A
5, controller 8 controls X-axis electric rotating machines 303 and drives second to treat that welding optic fibre 2 turns clockwise N ° and gets back to initial position around X-axis in Y-Z plane; Wherein, N=0.05-0.15, preferred N=0.1;
A
6, controller 8 power ratio σ relatively
2n0, σ
2n1, σ
2n2, σ
2n3size, obtain the corresponding inclination angle of maximum power ratio, sampling spot place, place, and storage;
B, the luminous power ratio of 8 pairs of the second optical fiber of controller when each sampling spot is initial are monitored contrast, obtain maximum initial luminous power than the position coordinates of institute corresponding sample point, then controller 8 is controlled Y-axis sliding motor 309 and/or X-axis sliding motors 312, by second, until welding optic fibre 2, is repositioned onto luminous power when initial than the position of maximum sampling spot; Then, controller 8 is controlled Y-axis electric rotating machine 314 and/or X-axis electric rotating machines 303, treats that welding optic fibre 2 rotates again navigate to place sampling spot maximum luminous power than the position of institute counter-bevel by second.
Claims (6)
1. an optical fiber align 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 and rotated around X-axis by X-axis electric rotating machine;
Described the first pedestal is provided with Z axis guide rail, slidably connects the second pedestal on Z axis guide rail, and the second pedestal is driven and moved along Z axis guide rail by Z axis sliding motor;
Described the second pedestal is provided with Y-axis guide rail, slidably connects the 3rd pedestal on Y-axis guide rail, and the 3rd pedestal is driven and moved along Y-axis guide rail by Y-axis sliding motor;
Described the 3rd pedestal is provided with X-axis guide rail, slidably connects Y-axis rotating mechanism on X-axis guide rail, and Y-axis rotating mechanism is driven and moved along X-axis guide rail by X-axis sliding motor;
The output terminal of described Y-axis rotating mechanism is fixed with worktable, and described worktable is driven and rotated around Y-axis by Y-axis electric rotating machine;
Described lasing light emitter is located at worktable along a side of Z axis guide rail direction, and described coupling mechanism is located in the light path of lasing light emitter light ejaculation;
The output terminal of described coupling mechanism is provided with reference path delivery outlet and coupling optical path delivery outlet, described the 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, is fixed with second treats welding optic fibre on described worktable by fixture, and second treats that welding optic fibre is along Z-direction setting; Described second treats that welding optic fibre is connected to the second optical power detector, and described the 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 respectively controller, by controller controlled motion, and then the motion of control worktable, described worktable is when diverse location, controller can be distinguished the positional information of writing task platform, and then the positional information of welding optic fibre treated in record second.
2. the optical fiber align mechanism of a kind of optical fiber splicer according to claim 1, is characterized in that: described coupling mechanism is that splitting ratio is the Y type coupling mechanism of 1:1.
3. the optical fiber align mechanism of a kind of optical fiber splicer according to claim 1, is characterized in that: it is 1310nm that described lasing light emitter sends sharp light wavelength.
4. the fiber-optic alignment automation algorithm that adopts the optical fiber align mechanism of a kind of optical fiber splicer claimed in claim 1, is characterized in that: described fiber-optic alignment automation algorithm recently regulates and aims at first and treat that welding optic fibre and second treats welding optic fibre by measuring luminous power;
Described luminous power is than σ=P
go out/ P
enter,
Described P
enterfor treating that from first welding optic fibre penetrates the luminous power of laser, P
go outbe first to treat that laser that welding optic fibre penetrates enters the second luminous power for the treatment of welding optic fibre, wherein P
go outby the second optical power detector, recorded;
The luminous power ratio that the reference path delivery outlet of described coupling mechanism and coupling optical path delivery outlet penetrate laser is 1:1, the luminous power of described coupling optical path delivery outlet ejaculation laser is equal to from first treats that welding optic fibre penetrates the luminous power of laser, from first, treat that the luminous power of welding optic fibre ejaculation laser equals the luminous power that reference path delivery outlet penetrates laser, the two ratio is 1:1; Wherein, the luminous power of reference path delivery outlet ejaculation laser is recorded by the first optical power detector;
The data that described the first optical power detector and the second optical power detector record respectively input in controller after transforming through amplification, A/D, and controller carries out further operational analysis can obtain luminous power ratio;
When initial, described first treats that the end face distance that welding optic fibre and second treats that welding optic fibre is relative is greater than 2000 μ m;
Described fiber-optic alignment automation algorithm comprises the following steps:
1) axial adjustment:
A, controller are controlled Z axis sliding motor and are driven second to treat that welding optic fibre is along Z axis translation, and to treat that near first welding optic fibre direction advances 1930-1950 μ m, controller obtains second and treats that welding optic fibre compares σ in this locational luminous power
10with Z axis coordinate Z
10, and by (σ
10, Z
10) storage;
B, controller are controlled Z axis sliding motor and are continued to drive second to treat that welding optic fibre is along Z axis translation, and to treat that near first welding optic fibre direction advances, the 2-4 μ m of take is unit, and every propelling once, obtains second and treats that welding optic fibre compares σ in this locational luminous power
1iwith Z axis coordinate Z
1i, and by (σ
1i, Z
1i) storage, wherein i=1,2,3
C, controller are to σ
10, σ
1icontrast monitoring, if σ
1iappearance reduces, and second treats that welding optic fibre and first treats that welding optic fibre occurs top, and now Z axis sliding motor drives second to treat that welding optic fibre is along Z axis translation, and to treat that away from first welding optic fibre direction moves, 3-6 μ m pulls back;
2) horizontal and tilt adjustment:
A, take and second treat that the axle center of welding optic fibre is first sampling spot, second, treat that welding optic fibre is around around at least 8 all the other sampling spots are set, all the other sampling spots treat that by second being regular polygon centered by the axle center of welding optic fibre distributes; Y-axis sliding motor controlled by controller and/or X-axis sliding motor drives second to treat that welding optic fibre is at the flat in-plane moving of Y-X, second treats that welding optic fibre is from first sampling spot, then by clockwise or counterclockwise sequentially arrival, is arranged on second and treats welding optic fibre sampling spot around; Described second until welding optic fibre during at each sampling spot, and controller first obtains the luminous power of corresponding position when initial and compares σ
2n0, inclination angle [theta]
2n0and position coordinates (x
2n, y
2n), and storage, wherein n=0,1,2,3 Then controller is controlled X-axis electric rotating machine and Y-axis electric rotating machine and is driven second to treat that welding optic fibre does tilt adjustment, and described tilt adjustment comprises the following steps:
A
1, controller controls X-axis electric rotating machine and drives second to treat that welding optic fibre is rotated counterclockwise N ° around X-axis in Y-Z plane, controller obtains second and treats that welding optic fibre compares σ in this locational luminous power
2n1and inclination angle [theta]
2n1, simultaneously by (σ
2n1, θ
2n1) storage;
A
2, controller controls Y-axis electric rotating machine and drives second to treat that welding optic fibre is rotated counterclockwise N ° around Y-axis in Z-X plane, controller obtains second and treats that welding optic fibre compares σ in this locational luminous power
2n2and inclination angle [theta]
2n2, simultaneously by (σ
2n2, θ
2n2) storage;
A
3, controller control Y-axis electric rotating machine drive second treat welding optic fibre in Z-X plane around the Y-axis N ° of return that turn clockwise, then the N ° that turns clockwise, controller obtains second and treats that welding optic fibre compares σ in this locational luminous power
2n3and inclination angle [theta]
2n3, simultaneously by (σ
2n3, θ
2n3) storage;
A
4, controller controls Y-axis electric rotating machine and drives second to treat that welding optic fibre is rotated counterclockwise N ° of return around Y-axis in Z-X plane;
A
5, controller controls X-axis electric rotating machine and drives second to treat that welding optic fibre turns clockwise N ° and gets back to initial position around X-axis in Y-Z plane; Wherein, N=0.05-0.15;
A
6, controller power ratio σ relatively
2n0, σ
2n1, σ
2n2, σ
2n3size, obtain the corresponding inclination angle of maximum power ratio, sampling spot place, place, and storage;
B, controller to the second optical fiber the luminous power ratio when each sampling spot is initial monitor contrast, obtain maximum initial luminous power than the position coordinates of institute corresponding sample point, then controller is controlled Y-axis sliding motor and/or X-axis sliding motor, by second, until welding optic fibre, is repositioned onto luminous power when initial than the position of maximum sampling spot; Then, controller is controlled Y-axis electric rotating machine and/or X-axis electric rotating machine, treats that welding optic fibre rotates again navigate to place sampling spot maximum luminous power than the position of institute counter-bevel by second.
5. the fiber-optic alignment automation algorithm of the optical fiber align mechanism of a kind of optical fiber splicer according to claim 4, it is characterized in that: in described step 1), controller is controlled Z axis sliding motor and is driven second to treat that welding optic fibre is along Z axis translation, to treat that near first welding optic fibre direction advances 1940 μ m.
6. the fiber-optic alignment automation algorithm of the optical fiber align mechanism of a kind of optical fiber splicer according to claim 4, is characterized in that: described step 2), and N=0.1.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410495949.3A CN104199148B (en) | 2014-09-25 | 2014-09-25 | Optical fiber automatic alignment algorithm of optical fiber alignment mechanism of optical fiber fusion splicer |
Applications Claiming Priority (1)
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| CN104807805A (en) * | 2015-05-04 | 2015-07-29 | 华北电力大学 | Detection device for gas dissolved in transformer oil based on Raman spectrum |
| CN105676361A (en) * | 2016-04-18 | 2016-06-15 | 南京吉隆光纤通信股份有限公司 | Optical fiber feeding mechanism for optical fiber fusion |
| CN105750928A (en) * | 2016-04-01 | 2016-07-13 | 哈尔滨工程大学 | Mechanical structure for enabling optical fibers to axially rotate |
| CN106772840A (en) * | 2017-02-21 | 2017-05-31 | 东莞市耀野自动化有限公司 | A kind of method of Optical Device Coupling pre-determined bit |
| CN108169550A (en) * | 2017-12-08 | 2018-06-15 | 中国兵器装备研究院 | A kind of heat sealing machine duration and degree of heating power collecting and calibrating installation |
| CN108561791A (en) * | 2018-04-11 | 2018-09-21 | 河南百合特种光学研究院有限公司 | A kind of solar simulator is with can three-dimensional regulation xenon lamp device |
| CN110888202A (en) * | 2019-11-18 | 2020-03-17 | 桂林电子科技大学 | Optical fiber coupler and control method thereof |
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| CN104807805A (en) * | 2015-05-04 | 2015-07-29 | 华北电力大学 | Detection device for gas dissolved in transformer oil based on Raman spectrum |
| CN105750928A (en) * | 2016-04-01 | 2016-07-13 | 哈尔滨工程大学 | Mechanical structure for enabling optical fibers to axially rotate |
| CN105750928B (en) * | 2016-04-01 | 2017-11-21 | 哈尔滨工程大学 | A kind of mechanical structure realized optical fiber and rotated along axle center |
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| CN105676361B (en) * | 2016-04-18 | 2018-11-06 | 南京吉隆光纤通信股份有限公司 | Optical fiber propulsive mechanism for fused fiber splice |
| CN106772840A (en) * | 2017-02-21 | 2017-05-31 | 东莞市耀野自动化有限公司 | A kind of method of Optical Device Coupling pre-determined bit |
| CN108169550A (en) * | 2017-12-08 | 2018-06-15 | 中国兵器装备研究院 | A kind of heat sealing machine duration and degree of heating power collecting and calibrating installation |
| CN108561791A (en) * | 2018-04-11 | 2018-09-21 | 河南百合特种光学研究院有限公司 | A kind of solar simulator is with can three-dimensional regulation xenon lamp device |
| CN110888202A (en) * | 2019-11-18 | 2020-03-17 | 桂林电子科技大学 | Optical fiber coupler and control method thereof |
| CN112719585A (en) * | 2020-12-16 | 2021-04-30 | 深圳市讯泉科技有限公司 | Fusion control method, device, equipment and computer readable storage medium |
| CN112719585B (en) * | 2020-12-16 | 2022-06-17 | 深圳市讯泉科技有限公司 | Fusion splicing control method, device, equipment and computer readable storage medium |
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