CN109940266A - A kind of lens positioning device and localization method - Google Patents

A kind of lens positioning device and localization method Download PDF

Info

Publication number
CN109940266A
CN109940266A CN201910285953.XA CN201910285953A CN109940266A CN 109940266 A CN109940266 A CN 109940266A CN 201910285953 A CN201910285953 A CN 201910285953A CN 109940266 A CN109940266 A CN 109940266A
Authority
CN
China
Prior art keywords
laser
hot spot
probe
chip
object lens
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201910285953.XA
Other languages
Chinese (zh)
Other versions
CN109940266B (en
Inventor
段吉安
卢昆忠
卢胜强
唐佳
徐聪
周海波
苏文毅
胡慧璇
黄思琪
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Central South University
Wuhan Raycus Fiber Laser Technologies Co Ltd
Original Assignee
Central South University
Wuhan Raycus Fiber Laser Technologies Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Central South University, Wuhan Raycus Fiber Laser Technologies Co Ltd filed Critical Central South University
Priority to CN201910285953.XA priority Critical patent/CN109940266B/en
Publication of CN109940266A publication Critical patent/CN109940266A/en
Application granted granted Critical
Publication of CN109940266B publication Critical patent/CN109940266B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Length Measuring Devices By Optical Means (AREA)

Abstract

The embodiment of the present invention provides a kind of lens positioning device and localization method, it include: pedestal, chip of laser, first support, probe, probe, second support, collet, holder and object lens, wherein, first support is fixed on the base, chip of laser is fixed in first support, probe is fixed on the side of chip of laser, second support is fixed on the base, second support is vertical with first support, probe installation is on the secondary support bracket, holder is mounted on the base, and collet is mounted on holder, and object lens are located above chip of laser.The present invention is by comparing target hot spot and difference of the default hot spot in shape, position and size, it is adjusted in real time with the position to object lens, when target hot spot and default hot spot are completely coincident, illustrate that target hot spot reaches optimum position, the adjustment to target hot spot will be converted to the adjustment of the position of object lens, the complexity of adjustment is simplified, and realizes the automation positioning to object lens.

Description

A kind of lens positioning device and localization method
Technical field
The present embodiments relate to laser technology field more particularly to a kind of lens positioning devices and localization method.
Background technique
In laser technology field, it is often necessary to the lens on charging tray be installed on chip, usually made in traditional method Manually it is manually operated, but it is lower by artificial method efficiency, and larger workload, it is difficult to adapt to industrialized need It asks.
Therefore, a kind of lens positioning device and localization method are needed.
Summary of the invention
In view of the above-mentioned problems, the embodiment of the present invention provides a kind of lens positioning device and localization method.
In a first aspect, the embodiment of the present invention provides a kind of lens positioning device, comprising: pedestal, chip of laser, first Frame, probe, probe, second support, collet, holder and object lens, wherein the first support is fixed on the base, The chip of laser is fixed in the first support, and the probe is fixed on the side of the chip of laser, and described Two brackets are fixed on the base, and the second support is vertical with the first support, and the probe is mounted on described second On bracket, the holder is along being mounted on the base, and the collet is mounted on the holder, and the object lens are located at institute It states above chip of laser, the probe is used to be powered on for the chip of laser, and the chip of laser is used in energization After emit laser, for clamping object lens, what the object lens were used to emit the chip of laser swashs the collet Light reflects away, and the probe is for detecting the laser of the object lens reflection.
Second aspect, the embodiment of the present invention provide a kind of lens positioning method, comprising:
It is chip of laser power-up by the probe;
The chip of laser emits laser;
If the laser that the chip of laser issues can be arrived after object lens reflection by the probe detection;
If judging, the target hot spot for knowing that the probe detection arrives is identical as default hot spot, will be described using the collet Object lens are put on the chip of laser, and the target hot spot is formed by the laser that the object lens reflect.
A kind of lens positioning device and localization method provided in an embodiment of the present invention, by comparing target hot spot and default light The difference of spot adjusts the position of object lens in real time, when target hot spot is completely coincident with default hot spot, Illustrate that target hot spot reaches optimum position, the adjustment to target hot spot will be converted to the adjustment of the position of object lens, simplified The complexity of adjustment, and realize the automation positioning to object lens.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is this hair Bright some embodiments for those of ordinary skill in the art without creative efforts, can be with root Other attached drawings are obtained according to these attached drawings.
Fig. 1 is a kind of structural schematic diagram of lens positioning device provided in an embodiment of the present invention;
Fig. 2 is a kind of flow chart of lens positioning method provided in an embodiment of the present invention.
Appended drawing reference:
101, pedestal;102, chip of laser;103, first support;
104, probe;105, probe;106, synchronous belt;
107, collet;108, holder;109, object lens.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art Every other embodiment obtained without creative efforts, shall fall within the protection scope of the present invention.
Fig. 1 is a kind of structural schematic diagram of lens positioning device provided in an embodiment of the present invention, as shown in Figure 1, the device It include: pedestal 101, chip of laser 102, first support 103, probe 104, probe 105, second support, collet 107, holder 108 and object lens 109, wherein the first support 103 is fixed on the pedestal 101, and the chip of laser 102 is solid It is scheduled in the first support 103, the probe 104 is fixed on the side of the chip of laser 102, and the second support is solid It is scheduled on the pedestal 101, the second support is vertical with the first support 103, and the probe 105 is mounted on described second On bracket, the holder 108 is along being mounted on the pedestal 101, and the collet 107 is mounted on the holder 108, the mesh It marks lens 109 and is located at 102 top of chip of laser, the probe 104 is used to be powered on for the chip of laser 102, institute Chip of laser 102 is stated for emitting laser upon power-up, the collet 107 is for clamping object lens 109, the target Lens 109 are for going out the laser reflection that the chip of laser 102 emits, and the probe 105 is for detecting the target The laser that lens 109 reflect.
Specifically, pedestal 101 is the bottom parts of the device, and other modules are installed on pedestal 101, first support 103 are mounted on along vertical direction on pedestal 101, and chip of laser 102 is fixed on 103 upper end of first support, and probe 104 is fixed In the side of chip of laser 102, second support is fixed in the horizontal direction on pedestal 101, and second support and first Frame 103 is vertical, and in 105 installation on the secondary support bracket of probe, second support is mainly used to provide a supporting role for probe 105, this It is illustrated in inventive embodiments by synchronous belt of second support, synchronous belt 106 is in embodiments of the present invention in addition to providing support Effect outside, can also by rotation synchronous belt on belt, drive top probe 105 move.
Holder 108 is mounted on pedestal 101 along horizontal direction, and collet 107 is mounted on 108 front end of holder, also, collet 107 clamping object lens 109, so that object lens 109 are located at the top of chip of laser 102.
It should be noted that probe is the packing forms again of sensor, it is the most basic unit of sensor, by reasonable Electronic circuit and outer enclosure structure, are packaged sensor, the component for some standalone features for having it needed for us, Probe is divided into the quick spy of thermosensitive probe, photosensitive probe, gas-sensing probe, power generally according to its basic perceptional function as sensor The quick probe of head, magnetic sensitive probe, wet sensitive probe, the quick probe of sound, radioactive ray sensing probe, color and the quick probe of taste, video probe etc. are several Major class.
It is photosensitive probe used in the embodiment of the present invention, for capturing the laser of the sending of chip of laser 102.
In use, collet 107 clamps object lens 109 in the upper end of chip of laser 102, and probe 104 is to sharp Light device chip 102 is powered on, and chip of laser 102 launches laser, and by the reflection of object lens 109, laser is irradiated to spy The position in first 105 direction.
If probe 105 can capture the laser of the reflection of object lens 109, target hot spot will form, it is clear that target hot spot Can change with the change of the position of object lens 109, by adjusting the position of object lens 109 so that target hot spot with Default hot spot can be completely coincident, and when being overlapped, illustrate that object lens 109 are in optimal position, at this point, by object lens 109 are placed on chip of laser 102.
Target hot spot mentioned here can be completely coincident with default hot spot, refer to target hot spot size, shape and It is identical as default hot spot on position.
Default hot spot be according to the chip of laser 102, perfect condition object lens 109 and probe 105 between position Relationship is set, is obtained by a series of complicated calculations, the shape of default hot spot, size and location are stored, and as ginseng Sighting target is quasi-.
A kind of lens positioning device provided in an embodiment of the present invention, by comparing the difference of target hot spot and default hot spot, The position of object lens is adjusted in real time, when target hot spot is completely coincident with default hot spot, illustrates target Hot spot reaches optimum position, will be converted to the adjustment to target hot spot to the adjustment of the position of object lens, simplifies answering for adjustment Miscellaneous degree, and realize the automation positioning to object lens.
On the basis of the above embodiments, it is preferable that the probe 105 is also used to detect the object lens 109 and reflects The angle of divergence of laser.
Using 105 movement of the driving of synchronous belt 106 probe, so that probe 105 adjusts position, until probe 105 can capture To the angle of divergence of reflection laser, the angle of divergence can be used to the quality of evaluation goal hot spot.
On the basis of the above embodiments, further includes: the first controller, first controller and the probe 105 connect It connects, first controller is used for the comparing result according to the target hot spot and default hot spot, sends control instruction.
It specifically, further include the first controller on the lens positioning device, the first controller can be mounted in pedestal 101 On internal controller, be also possible to other external controllers, the first controller is mainly according to target hot spot and default light The comparing result of spot generates control instruction, and the control instruction is sent, contained in the control instruction target hot spot with Default deviation situation of the hot spot in size, location and shape.
On the basis of the above embodiments, it is preferable that further include: second controller, the second controller and the folder First 107 connection, the second controller control the collet for receiving the control instruction, and according to the control instruction 107 movements.
It specifically, further include second controller on the lens positioning device, second controller can be mounted in pedestal 101 On internal controller, be also possible to other external controllers, second controller is used to receive the control of the first controller transmission System instruction, and the information according to included in control instruction controls the movement of collet 107, adjusts object lens 109 with this Pose.
The embodiment of the present invention gives the method for adjustment of target hot spot and default hot spot, in actual use, can be with Adjust the pose of object lens according to the actual conditions of target hot spot, rather than the adjustment of blindness, to improve regulated efficiency.
Fig. 2 provides a kind of flow chart of lens positioning method for the embodiment of the present invention, as shown in Fig. 2, this method comprises:
S1 is chip of laser power-up by the probe;
S2, the chip of laser emit laser;
S3, if the laser that the chip of laser issues can be by the probe detection after object lens reflection It arrives;
S4, if the target hot spot that judgement knows that the probe detection arrives is identical as default hot spot, using the collet, by institute It states object lens to be put on the chip of laser, the target hot spot is formed by the laser that the object lens reflect.
It being powered on first with probe to chip of laser, chip of laser emits laser after being powered, meanwhile, object lens Initial position is located at the top of chip of laser, if at this time chip of laser transmitting laser after the reflection of object lens, It can just be arrived by probe detection, form target hot spot, by the size of target hot spot, location and shape compared with default hot spot, If the size of target hot spot, location and shape and default hot spot are all the same, illustrate object lens now at optimal position It sets and posture, object lens is mounted on chip of laser according to the position and posture.
On the basis of the above embodiments, it is preferable that further include: if described in the laser process that the chip of laser issues After object lens reflection, it cannot be arrived by the probe detection, using the collet, adjust the pose of the object lens, until The laser that the chip of laser issues can be arrived after object lens reflection by the probe detection.
The position of object lens is adjusted, constantly by collet to ensure that the light that chip of laser issues passes through object lens It can be arrived by probe detection after reflection, and form target hot spot.
On the basis of the above embodiments, it is preferable that if judgement knows that the target hot spot is different from the default hot spot, The pose that the object lens are adjusted using the collet will be described until the target hot spot is identical as the default hot spot Object lens are put on the chip of laser.
If the target hot spot that probe detection arrives and default hot spot are in size, location and shape at least one in terms of these three A aspect is different, then needs to adjust position and the posture of object lens, until target hot spot and default hot spot are completely coincident.It is overlapped When object lens where position and posture be best pose, object lens are mounted on chip of laser on the pose.
On the basis of the above embodiments, it is preferable that if the target hot spot and the default hot spot are known in the judgement Difference is adjusted the pose of the object lens using the collet, specifically included:
If judgement knows that the target hot spot and the default hot spot are different on position and/or size, the folder is utilized Head adjusts the position of the object lens;
If judgement knows that the target hot spot and the default hot spot are different in shape, using described in collet adjustment The tilt angle of object lens.
Specifically, according to the difference of target hot spot and default hot spot, the position of object lens is specifically adjusted, is adjusted Adjusting method is as follows:
If target hot spot and default hot spot have differences in terms of the two in size, position, can be by adjusting target The position of lens is come so that target hot spot is identical as default hot spot.
It, can be by adjusting the tilt angle of object lens if target hot spot and default hot spot have differences in shape Come to coming so that target hot spot is identical as default hot spot.
If target hot spot has differences with default hot spot at three size, location and shape aspects, can adjust simultaneously The tilt angle of whole object lens and position are come so that target hot spot is identical as default hot spot.
The embodiment of the present invention gives the method for adjustment of target hot spot and default hot spot, exists in target hot spot and default hot spot When different in size and location, need to adjust the position of object lens, in target hot spot and default hot spot different in shape, It needs to adjust the inclination angle of object lens, in actual use, mesh can be adjusted according to the actual conditions of target hot spot The pose of mark lens, rather than the adjustment of blindness, to improve regulated efficiency.
A kind of lens positioning method provided in an embodiment of the present invention, by comparing target hot spot and default hot spot shape, Difference on position and size is adjusted in real time with the position to object lens, until target hot spot and default hot spot are complete When full weight is closed, illustrate that target hot spot reaches optimum position, the adjustment of the position of object lens will be converted to target hot spot Adjustment, simplify the complexity of adjustment, and realize to object lens automation positioning.
On the basis of the above embodiments, it is preferable that further include:
The probe movement is driven, to adjust the position of the probe;
The angle of divergence that the chip of laser emits laser is obtained by the probe;
According to the angle of divergence, the quality of the target hot spot is evaluated.
Specifically, using synchronous belt 106 drive probe movement, probe movement be for the angle of divergence of exploring laser light light beam, Likewise, the angle of divergence is also one of judgment criteria of optical quality.
The apparatus embodiments described above are merely exemplary, wherein described, unit can as illustrated by the separation member It is physically separated with being or may not be, component shown as a unit may or may not be physics list Member, it can it is in one place, or may be distributed over multiple network units.It can be selected according to the actual needs In some or all of the modules achieve the purpose of the solution of this embodiment.Those of ordinary skill in the art are not paying creativeness Labour in the case where, it can understand and implement.
Through the above description of the embodiments, those skilled in the art can be understood that each embodiment can It realizes by means of software and necessary general hardware platform, naturally it is also possible to pass through hardware.Based on this understanding, on Stating technical solution, substantially the part that contributes to existing technology can be embodied in the form of software products in other words, should Computer software product may be stored in a computer readable storage medium, such as ROM/RAM, magnetic disk, CD, including several fingers It enables and using so that a computer equipment (can be personal computer, server or the network equipment etc.) executes each implementation Method described in certain parts of example or embodiment.
Finally, it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations;Although Present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: it still may be used To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features; And these are modified or replaceed, technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution spirit and Range.

Claims (10)

1. a kind of lens positioning device characterized by comprising pedestal, chip of laser, first support, probe, probe, Two brackets, collet, holder and object lens, wherein the first support is fixed on the base, and the chip of laser is solid It is scheduled in the first support, the probe is fixed on the side of the chip of laser, and the second support is fixed on described On pedestal, the second support is vertical with the first support, and the probe is mounted in the second support, the holder peace On the base, the collet is mounted on the holder dress, and the object lens are located above the chip of laser, institute State probe for for the chip of laser be powered on, the chip of laser be used for emit laser, the collet upon power-up For clamping object lens, the object lens are for going out the laser reflection that the chip of laser emits, the probe For detecting the laser of the object lens reflection.
2. device according to claim 1, which is characterized in that the second support is synchronous belt, and the synchronous belt is for driving Move the probe movement.
3. device according to claim 2, which is characterized in that the probe is also used to detect the object lens reflection laser The angle of divergence.
4. device according to claim 3, which is characterized in that further include: the first controller, first controller with it is described Probe connection, first controller are used for the comparing result according to the target hot spot and default hot spot, send control instruction.
5. device according to claim 4, which is characterized in that further include: second controller, the second controller with it is described Collet connection, the second controller control the collet according to the control instruction and transport for receiving the control instruction It is dynamic.
6. a kind of lens positioning method based on any lens positioning device of claim 1-5 characterized by comprising
It is chip of laser power-up by the probe;
The chip of laser emits laser;
If the laser that the chip of laser issues can be arrived after object lens reflection by the probe detection;
If judging, the target hot spot for knowing that the probe detection arrives is identical as default hot spot, using the collet, by the target Lens are put on the chip of laser, and the target hot spot is formed by the laser that the object lens reflect.
7. method according to claim 6, which is characterized in that further include:
If the laser that the chip of laser issues cannot be arrived after object lens reflection by the probe detection, benefit With the collet, the pose of the object lens is adjusted, until the laser that the chip of laser issues is saturating by the target It can be arrived by the probe detection after mirror reflection.
8. method according to claim 6, which is characterized in that further include:
If judgement knows that the target hot spot is different from the default hot spot, the position of the object lens is adjusted using the collet The object lens are put on the chip of laser until the target hot spot is identical as the default hot spot by appearance.
9. method according to claim 8, which is characterized in that if the target hot spot and the default light are known in the judgement Spot is different, and the pose of the object lens is adjusted using the collet, is specifically included:
If judgement knows that the target hot spot and the default hot spot are different on position and/or size, the collet tune is utilized The position of the whole object lens;
If judgement knows that the target hot spot and the default hot spot are different in shape, the target is adjusted using the collet The tilt angle of lens.
10. method according to claim 6, which is characterized in that further include:
The probe movement is driven, to adjust the position of the probe;
The angle of divergence that the chip of laser emits laser is obtained by the probe;
According to the angle of divergence, the quality of the target hot spot is evaluated.
CN201910285953.XA 2019-04-10 2019-04-10 Lens positioning device and positioning method Active CN109940266B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910285953.XA CN109940266B (en) 2019-04-10 2019-04-10 Lens positioning device and positioning method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910285953.XA CN109940266B (en) 2019-04-10 2019-04-10 Lens positioning device and positioning method

Publications (2)

Publication Number Publication Date
CN109940266A true CN109940266A (en) 2019-06-28
CN109940266B CN109940266B (en) 2020-07-28

Family

ID=67014218

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910285953.XA Active CN109940266B (en) 2019-04-10 2019-04-10 Lens positioning device and positioning method

Country Status (1)

Country Link
CN (1) CN109940266B (en)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07249235A (en) * 1994-03-11 1995-09-26 Fujitsu Ltd Astigmatism correcting method for semiconductor laser optical system
JP2001144362A (en) * 1999-11-15 2001-05-25 Sigma Koki Kk Semiconductor laser device and manufacturing method therefor
CN101439441A (en) * 2008-12-29 2009-05-27 广州瑞通千里激光设备有限公司 Optical fiber laser dynamic focusing vibration mirror scanning type spot welding system and welding method thereof
CN201828716U (en) * 2010-06-25 2011-05-11 北京高普乐光电科技有限公司 Collimation device capable of controlling spot size
CN204178059U (en) * 2014-11-03 2015-02-25 南京中科神光科技有限公司 The self-checking device of laser module collimation lens
CN104375273A (en) * 2014-10-21 2015-02-25 武汉锐科光纤激光器技术有限责任公司 Light spot shaping device for high power semiconductor laser unit
CN107706736A (en) * 2017-10-23 2018-02-16 深圳市杰普特光电股份有限公司 Semiconductor laser fast axis collimation equipment

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07249235A (en) * 1994-03-11 1995-09-26 Fujitsu Ltd Astigmatism correcting method for semiconductor laser optical system
JP2001144362A (en) * 1999-11-15 2001-05-25 Sigma Koki Kk Semiconductor laser device and manufacturing method therefor
CN101439441A (en) * 2008-12-29 2009-05-27 广州瑞通千里激光设备有限公司 Optical fiber laser dynamic focusing vibration mirror scanning type spot welding system and welding method thereof
CN201828716U (en) * 2010-06-25 2011-05-11 北京高普乐光电科技有限公司 Collimation device capable of controlling spot size
CN104375273A (en) * 2014-10-21 2015-02-25 武汉锐科光纤激光器技术有限责任公司 Light spot shaping device for high power semiconductor laser unit
CN204178059U (en) * 2014-11-03 2015-02-25 南京中科神光科技有限公司 The self-checking device of laser module collimation lens
CN107706736A (en) * 2017-10-23 2018-02-16 深圳市杰普特光电股份有限公司 Semiconductor laser fast axis collimation equipment

Also Published As

Publication number Publication date
CN109940266B (en) 2020-07-28

Similar Documents

Publication Publication Date Title
JP6729561B2 (en) Light irradiation device and light irradiation system
CN109932829A (en) A kind of lens positioning device and method
JP5665333B2 (en) Information processing apparatus and information processing apparatus control method
US20200374498A1 (en) Method for augmenting surfaces in a space with visual content
JP7016796B2 (en) Information processing equipment and information processing method
CN102662293A (en) Close-range focusing device and method
US20180217235A1 (en) Projection System for a Time-of-Flight Sensor and Method of Operation of Same
TW201344183A (en) Systems and methods for sample inspection and review
CN109579978A (en) Test method and test macro
CN109940266A (en) A kind of lens positioning device and localization method
WO2017138049A1 (en) Flying body and control system therefor
US11717972B2 (en) Workbench system
US20220351482A1 (en) Training a smart household appliance
KR101164656B1 (en) Photographing apparatus for tracking object with high speed
EP3998139A1 (en) Workbench system
CN106200036A (en) Lighting detection equipment
GB2576236A (en) Workbench system
CN108021834A (en) Variable depth of field scanning means and method
EP3376345A1 (en) Object tracking arrangements
WO2021065608A1 (en) Data processing apparatus, data processing method, and robot
EP3811167B1 (en) Workbench system
CN208761034U (en) A kind of blood type card sealed membrane automatic detection device
JP2020179040A (en) Visual line detection system, visual line detection device, and visual line detection method
KR102447601B1 (en) Moving method in unmanned aerial vehicle and the unmanned aerial vehicle
CN116990391B (en) Bearing detection system and detection method

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant