CN106352976B - A kind of collecting method and its device - Google Patents
A kind of collecting method and its device Download PDFInfo
- Publication number
- CN106352976B CN106352976B CN201611015485.7A CN201611015485A CN106352976B CN 106352976 B CN106352976 B CN 106352976B CN 201611015485 A CN201611015485 A CN 201611015485A CN 106352976 B CN106352976 B CN 106352976B
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- optical power
- data
- laser
- data acquisition
- servo motor
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- 238000000034 method Methods 0.000 title claims abstract description 17
- 230000003287 optical effect Effects 0.000 claims abstract description 76
- 230000001360 synchronised effect Effects 0.000 claims abstract description 18
- 239000013307 optical fiber Substances 0.000 claims description 30
- 238000004891 communication Methods 0.000 claims description 17
- 230000003139 buffering effect Effects 0.000 claims description 13
- 239000000919 ceramic Substances 0.000 claims description 7
- 238000003780 insertion Methods 0.000 claims description 7
- 230000037431 insertion Effects 0.000 claims description 7
- 230000005611 electricity Effects 0.000 claims description 2
- 238000005516 engineering process Methods 0.000 abstract description 4
- 230000005540 biological transmission Effects 0.000 description 2
- 238000005538 encapsulation Methods 0.000 description 2
- 229910052573 porcelain Inorganic materials 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J1/00—Photometry, e.g. photographic exposure meter
- G01J1/42—Photometry, e.g. photographic exposure meter using electric radiation detectors
- G01J1/4257—Photometry, e.g. photographic exposure meter using electric radiation detectors applied to monitoring the characteristics of a beam, e.g. laser beam, headlamp beam
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J1/00—Photometry, e.g. photographic exposure meter
- G01J1/02—Details
- G01J1/0266—Field-of-view determination; Aiming or pointing of a photometer; Adjusting alignment; Encoding angular position; Size of the measurement area; Position tracking; Photodetection involving different fields of view for a single detector
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Optics & Photonics (AREA)
- Optical Communication System (AREA)
Abstract
The present invention relates to data acquisition technology field, a kind of collecting method and its device are referred in particular to.A kind of collecting method, comprising: one, optical power data acquisition, two, position data acquisition, three, position data it is synchronous with optical power data.A kind of data acquisition device, including optical power data acquisition module, position data acquisition module and for carrying out optical power data and position data acquisition to correspond processor in real time.Position data and optical power data are carried out high-speed synchronous by the present invention, and such location information and op-tical power information just correspond, and are realized and are carried out high-velocity scanning using laser is mobile.The data of position feedback elements feedback laser actual position substantially reduce the offset of collected position and optical power, the synchronous error minimum of location information and op-tical power information so that optical power data and position data really correspond.
Description
Technical field
The present invention relates to data acquisition technology field, a kind of collecting method and its device are referred in particular to.
Background technique
Spindle-type laser includes that optical fiber component and the laser with optical fiber component welding encapsulation, optical fiber component are provided with pottery
Porcelain lock pin.When carrying out welding encapsulation to optical fiber component and laser, need to guarantee to issue the focus of laser after laser is powered
In the centre bore of ceramic insertion core, to obtain optimal on-state rate, to obtain maximum optical power, the bad of product is reduced
Rate.
The method that tradition obtains maximum luminous power is using manual testing, and manual testing's heavy workload, speed is slow, efficiency
Low, accuracy is poor, leads to often to occur that product is bad, is not able to satisfy the demand of production, it is urgent to provide a solution.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of collecting method and its devices.
In order to solve the above-mentioned technical problem, the present invention adopts the following technical scheme:
A kind of collecting method, comprising:
One, optical power data acquire:
Optical fiber component is fixed, opposed optical fibers component is mobile after laser is powered, and so that laser is emitted beam and passes through optical fiber
The ceramic insertion core of component is converted into the analog signal of optical power with the optical signal that photoelectric converter receives optical fiber component, then
The analog signal is switched into optical power digital signal by analog-digital converter;
Two, position data acquisition:
While acquiring optical power data, with the location information of position feedback elements Real-time Feedback laser, then use
Location information is switched to position digital signal by decoder;
Three, position data is synchronous with optical power data:
Optical power digital signal and position digital signal are handled in real time using processor, make optical power digital signal
It is corresponded in real time with position digital signal, to realize the high-speed synchronous of position data Yu optical power data.
Wherein, further include data buffering module for being buffered to optical power digital signal and position digital signal,
The data buffering module and processor carry out communication connection.
It wherein, further include computer, the computer and processor carry out communication connection.
Wherein, laser is installed on mobile station, it is mobile using servo motor driving mobile station, then with position feedback member
Part feeds back the location information of the laser in mobile station;The position feedback elements use grating scale or encoder, the light
Grid ruler or encoder and decoder communication connection.
Wherein, the servo motor includes the X-servo electricity for driving mobile station mobile respectively along X-axis, Y-axis and Z axis
Machine, Y servo motor and Z servo motor.
Wherein, when being moved to optical fiber component, first laser is moved in X/Y plane, acquisition is found in X/Y plane
The location point of maximum luminous power, then optical fiber component is moved along by the Z axis of the location point, so that laser be made to emit beam
Focus be located in ceramic insertion core, to obtain maximum optical power.
The present invention also provides a kind of data acquisition devices for above-mentioned collecting method, including optical power data
Acquisition module, position data acquisition module and for carrying out optical power data and position data acquisition at real-time one-to-one correspondence
Manage device;The optical power data acquisition module include for accommodating the fixture of optical fiber component, the light for being connect with optical fiber component
Electric transducer and the analog-digital converter connecting with the photoelectric converter, the analog-digital converter are connect with processor;The position
Data acquisition module includes moving drive mechanism for installing the mobile station of laser, for driving mobile station mobile, is used for
Feed back the position feedback elements of the location information of laser and the decoding with the position feedback elements communication connection in mobile station
Device, the decoder are connect with processor.
It wherein, further include data buffering module, the data buffering module and processor carry out communication connection.
It wherein, further include computer, the computer and processor communication connection.
Wherein, the moving drive mechanism includes for driving mobile station to watch respectively along the mobile X of X-axis, Y-axis and Z axis
Take motor, Y servo motor and Z servo motor;The position feedback elements are grating scale or encoder, and X-servo motor, Y are watched
It takes motor and Z servo motor respectively corresponds and is provided with a grating scale or encoder.
Beneficial effects of the present invention:
Position data and optical power data are carried out high-speed synchronous by the present invention, and such location information and op-tical power information are with regard to one
One is corresponding, realizes and carries out high-velocity scanning using laser is mobile.The data of position feedback elements feedback laser actual position,
So that optical power data and position data really correspond, the offset of collected position and optical power is substantially reduced,
The synchronous error of location information and op-tical power information minimizes.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention.
Specific embodiment
For the ease of the understanding of those skilled in the art, the present invention is made further below with reference to embodiment and attached drawing
Bright, the content that embodiment refers to not is limitation of the invention.
As shown in Figure 1, a kind of collecting method, including
One, optical power data acquire:
Optical fiber component 1 is fixed, and opposed optical fibers component 1 is mobile after laser 2 is powered, and so that laser 2 is emitted beam and passes through
The ceramic insertion core 11 of optical fiber component 1, converts the optical signal that optical fiber component 1 receives to photoelectric converter 3 mould of optical power
Quasi- signal, then the analog signal is switched to by optical power digital signal by analog-digital converter 6;
Two, position data acquisition:
While acquiring optical power data, with the location information of 8 Real-time Feedback laser 2 of position feedback elements, then
Location information is switched into position digital signal with decoder 4;
Three, position data is synchronous with optical power data:
Optical power digital signal and position digital signal are handled in real time using processor 5, believe optical power number
Number and position digital signal corresponded in real time, to realize the high-speed synchronous of position data Yu optical power data.
In practical application, after being powered to laser 2, which emits beam, and optical fiber enters the pottery of optical fiber component 1
In porcelain lock pin 11, optical signal is sent to the analog signal for switching to optical power after photoelectric converter 3, the optical power by optical fiber cable
Analog signal by analog-digital converter 6 conversion after, become optical power digital signal.8 feedback laser 2 of position feedback elements
Location information is switched to position digital signal by decoder 4 by location information.One light of correspondence of 2 each position of laser
Power, in 2 moving process of laser, acquisition position information and optical power in real time, by obtained optical power digital signal and position
It sets in digital signal while input processor 5 and is corresponded, high speed is carried out to position data and optical power data to realize
It is synchronous.
Position data and optical power data are carried out high-speed synchronous by the present invention, and such location information and op-tical power information are with regard to one
One is corresponding, realizes and carries out high-velocity scanning using laser 2 is mobile.The number of 8 feedback laser of position feedback elements, 2 actual position
According to substantially reducing the inclined of collected position and optical power so that optical power data and position data really correspond
It moves, the synchronous error of location information and op-tical power information minimizes.
It further include the data buffering for being buffered to optical power digital signal and position digital signal in the present embodiment
Module 7, the data buffering module 7 and processor 5 carry out communication connection.It further include computer 6, the computer 6 is carried out with processor 5
Communication connection.Optical power digital signal and position digital signal can be stored in data buffering module 7, after preliminary treatment, then
By being further processed on data bus transmission to computer 6.Or it is directly handled by bus transfer to computer 6.Number
It can choose PCI, Ethernet and 232 etc. according to bus.
In the present embodiment, laser 2 is installed on mobile station 20, it is mobile using servo motor driving mobile station 20, then
The location information of the laser 2 in mobile station 20 is fed back with position feedback elements 8;The position feedback elements 8 use grating scale
Perhaps the encoder grating scale or encoder and 4 communication connection of decoder.The servo motor includes for driving movement
Platform 20 X-servo motor, Y servo motor and the Z servo motor mobile respectively along X-axis, Y-axis and Z axis.
Using the data of the position feedback elements such as motor encoder or grating scale, this data more Precise Representation motor
Physical location.It is corresponding that the location information and optical power value of feedback high speed has been carried out.Substantially reduce collected position and light
The offset of power, position feedback elements provide the position signal of X-servo motor, Y servo motor and Z servo motor, by decoder
It is converted into digital quantity.Encoder or grating scale feedback position are corresponding with optical power, the Microsecond grade response time, realize high speed,
Minimize the synchronous error of location information and op-tical power information.It is cached using the Signal Collection Technology and Large Volume Data of high speed
System, to position and optical power high speed, high density while acquisition and storage.Realize X-servo motor, Y servo motor and Z servo
The high-velocity scanning of motor.
In the present embodiment, when being moved to optical fiber component 1, first laser 2 is moved back and forth in X/Y plane, it is flat in XY
The location point for obtaining maximum luminous power is found in face, then optical fiber component 1 is moved along by the Z axis of the location point, to make
The focus that laser 2 emits beam is located in ceramic insertion core 11, to obtain maximum optical power.
The present invention also provides a kind of data acquisition devices for above-mentioned collecting method, including optical power data
Acquisition module, position data acquisition module and for carrying out optical power data and position data acquisition at real-time one-to-one correspondence
Manage device 5;The optical power data acquisition module includes for accommodating the fixture 10 of optical fiber component 1, for connecting with optical fiber component 1
Photoelectric converter 3 and the analog-digital converter 6 that is connect with the photoelectric converter 3, the analog-digital converter 6 connect with processor 5;
The position data acquisition module includes the movement for installing the mobile station 20 of laser 2, for driving mobile station 20 mobile
Driving mechanism, the position feedback elements 8 for feeding back the location information of laser 2 in mobile station 20 and with the position feedback
The decoder 4 of 8 communication connection of element, the decoder 4 are connect with processor 5.
Position data and optical power data are carried out high-speed synchronous, such location information and optical power by notebook data acquisition device
Information just corresponds, and realizes and carries out high-velocity scanning using laser 2 is mobile.8 feedback laser 2 of position feedback elements is true
The data of position substantially reduce collected position and light so that optical power data and position data really correspond
The synchronous error of the offset of power, location information and op-tical power information minimizes.
It further include data buffering module 7 in the present embodiment, the data buffering module 7 and processor 5 carry out communication connection.
It further include computer 6, the computer 6 and 5 communication connection of processor.Optical power digital signal and position digital signal can be stored in
Data buffering module 7, after preliminary treatment, then by being further processed on data bus transmission to computer 6.Or it is directly logical
Bus transfer to computer 6 is crossed to be handled.Data/address bus can choose PCI, Ethernet and 232 etc..
In the present embodiment, the moving drive mechanism includes for driving mobile station 20 to move respectively along X-axis, Y-axis and Z axis
Dynamic X-servo motor, Y servo motor and Z servo motor;The position feedback elements 8 are grating scale or encoder, X-servo
Motor, Y servo motor and Z servo motor, which respectively correspond, is provided with a grating scale or encoder.Using motor encoder or
The data of the position feedback elements such as person's grating scale, the physical location of this data more Precise Representation motor.The position of feedback is believed
Breath has carried out corresponding at a high speed with optical power value.Substantially reduce the offset of collected position and optical power, position feedback elements
The position signal for providing X-servo motor, Y servo motor and Z servo motor is converted into digital quantity by decoder.Encoder or
Grating scale feedback position is corresponding with optical power, the Microsecond grade response time, realizes high speed, makes location information and op-tical power information
Synchronous error minimizes.It is high to position and optical power using the Signal Collection Technology and Large Volume Data caching system of high speed
Speed, high density while acquisition and storage.Realize the high-velocity scanning of X-servo motor, Y servo motor and Z servo motor.
Above-described embodiment is the preferable implementation of the present invention, and in addition to this, the present invention can be realized with other way,
Do not depart from the technical program design under the premise of it is any obviously replace it is within the scope of the present invention.
Claims (5)
1. a kind of collecting method, it is characterised in that: include:
One, optical power data acquire:
Optical fiber component (1) is fixed, and opposed optical fibers component (1) is mobile after laser (2) is powered, and laser (2) is made to emit beam
By the ceramic insertion core (11) of optical fiber component (1), converted with the optical signal that photoelectric converter (3) receives optical fiber component (1)
For the analog signal of optical power, then the analog signal switched to by optical power digital signal by analog-digital converter (6);
Two, position data acquisition:
While acquiring optical power data, with the location information of position feedback elements (8) Real-time Feedback laser (2), then
Location information is switched into position digital signal with decoder (4);Laser (2) is installed on mobile station (20), using servo electricity
Machine drives mobile station (20) mobile, then with the position letter of the laser (2) in position feedback elements (8) feedback mobile station (20)
Breath;Perhaps the encoder grating scale or encoder and decoder (4) are logical using grating scale for the position feedback elements (8)
News connection;
Three, position data is synchronous with optical power data:
Optical power digital signal and position digital signal are handled in real time using processor (5), make optical power digital signal
It is corresponded in real time with position digital signal, to realize the high-speed synchronous of position data Yu optical power data,
When being moved to laser (2), first laser (2) is moved in X/Y plane, it is maximum that acquisition is found in X/Y plane
The location point of optical power, then optical fiber component (1) is moved along by the Z axis of the location point, so that laser (2) be made to issue light
The focus of line is located in ceramic insertion core (11), to obtain maximum optical power;
It further include the data buffering module (7) for being buffered to optical power digital signal and position digital signal, the data
Buffer module (7) and processor (5) carry out communication connection,
It further include computer (6), the computer (6) and processor (5) carry out communication connection;
The servo motor includes for driving mobile station (20) to watch respectively along the mobile X-servo motor of X-axis, Y-axis and Z axis, Y
Take motor and Z servo motor.
2. a kind of data acquisition device for collecting method described in claim 1, it is characterised in that: including optical power
Data acquisition module, position data acquisition module and a pair of for optical power data and position data acquisition to be carried out real-time one
Answer processor (5);
The optical power data acquisition module includes for accommodating the fixture of optical fiber component (1) (10), being used for and optical fiber component (1)
The photoelectric converter (3) of connection and the analog-digital converter (6) being connect with the photoelectric converter (3), the analog-digital converter (6) with
Processor (5) connection;
The position data acquisition module includes for installing the mobile station of laser (2) (20), for driving mobile station (20)
Mobile moving drive mechanism, the position feedback elements (8) for feeding back the location information of laser (2) on mobile station (20),
And the decoder (4) with position feedback elements (8) communication connection, the decoder (4) connect with processor (5).
3. a kind of data acquisition device according to claim 2, it is characterised in that: it further include data buffering module (7), it should
Data buffering module (7) and processor (5) carry out communication connection.
4. a kind of collecting method according to claim 2, it is characterised in that: further include computer (6), the computer
(6) with processor (5) communication connection.
5. a kind of collecting method according to claim 2, it is characterised in that: the moving drive mechanism includes being used for
Drive X-servo motor, Y servo motor and the Z servo motor that mobile station (20) are mobile respectively along X-axis, Y-axis and Z axis;
The position feedback elements (8) are grating scale or encoder, X-servo motor, Y servo motor and Z servo motor difference
It is correspondingly arranged on a grating scale or encoder.
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CN201611015485.7A CN106352976B (en) | 2016-11-18 | 2016-11-18 | A kind of collecting method and its device |
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CN201611015485.7A CN106352976B (en) | 2016-11-18 | 2016-11-18 | A kind of collecting method and its device |
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CN106352976B true CN106352976B (en) | 2019-01-29 |
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JPH0652488B2 (en) * | 1985-06-17 | 1994-07-06 | 株式会社日立製作所 | Optical axis search method for optical fiber |
CN100507459C (en) * | 2005-04-28 | 2009-07-01 | 上海理工大学 | Instrument for testing response characteristic of detector surface, and testing method thereof |
JP2008159124A (en) * | 2006-12-22 | 2008-07-10 | Funai Electric Co Ltd | Disk unit |
CN102508344B (en) * | 2011-11-30 | 2014-07-16 | 成都储翰科技有限公司 | Automatic coupling device for semiconductor laser diode and implementation method for automatic coupling device |
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