CN106840604A - A kind of laser angle calibrating installation and calibration method - Google Patents
A kind of laser angle calibrating installation and calibration method Download PDFInfo
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- CN106840604A CN106840604A CN201611263470.2A CN201611263470A CN106840604A CN 106840604 A CN106840604 A CN 106840604A CN 201611263470 A CN201611263470 A CN 201611263470A CN 106840604 A CN106840604 A CN 106840604A
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- G—PHYSICS
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- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
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Abstract
A kind of laser angle calibrating installation and calibration method, it is included in the laser set gradually on laser optical path direction, diaphragm and prover, the first of prover, two, three, four side plates surround the rectangular configuration with middle cavity, first side plate center has the opening that aperture is A, convex mirror of the aperture more than hatch bore diameter is provided with the inside of the 3rd side plate being oppositely arranged, first, second, scale and the corresponding optical flame detector are both provided with the inside of 4th side plate, optical flame detector sends electric signal and sends to controller when sensing laser beam, controller receives the deflection angle of the laser beam that now laser transmitting is determined after electric signal and shows in real time, laser can be calibrated for the angular surveying of laser transmitting light beam, so as to improve the accuracy of laser launch angle.
Description
Technical field
The present invention relates to field of optical measurements, and in particular to a kind of laser angle calibrating installation and calibration method.
Background technology
Laser has the advantages that brightness high, good directionality, monochromaticjty is good, coherence is good, thus is widely used in work
The every field such as industry, agricultural, accurate measurement and detection, communication and information processing, medical treatment, military affairs.People can be right using laser
Material is processed, treatment become more meticulous in disease treatment etc..
With social science and expanding economy, for the requirement also more and more higher of laser performance, if can be fine
That changes operates to laser, then more targetedly target can be operated in actual applications.At present, laser
Direction can be adjusted by changing the angle of the direction of the launch, but this adjustment mode depends on the hard of laser itself mostly
Part and its measure of precision, are also limited to after laser itself is adjusted change the angle of departure of light beam for the operation of laser direction
Degree, is not calibrated specifically designed for the actual launch angle of light beam, and reacts on the calibration of laser itself, therefore calibration
Precision is low.
The content of the invention
It is an object of the invention to overcome the deficiencies in the prior art, there is provided a kind of to be directed to the angle that laser launches light beam
Degree measurement is calibrated to laser, thus improve the accuracy of laser launch angle laser angle calibrating installation and
Calibration method.
The invention provides a kind of laser angle calibrating installation, the laser set gradually on laser optical path direction is included in
Device, diaphragm and prover：
First, second, third and fourth side plate of prover surrounds the rectangular configuration with middle cavity, wherein first and third side plate is relative
And be arranged on the direction vertical with laser optical path, second, four side plates are relative and are arranged on the direction parallel with laser optical path；
First side plate center has the opening that aperture is A, and aperture is provided with the inside of the 3rd side plate being oppositely arranged more than opening
The convex mirror in aperture, the subsequent corrosion of convex mirror is definite value；
The deflection angle that diaphragm has aperture B, the laser beam of laser transmitting meets certain angular range so that at angle
Laser beam can be by diaphragm (even if laser beam have certain deflection angle can also pass through) in the range of degree；
First, secondth, scale and the corresponding optical flame detector are both provided with the inside of the 4th side plate, optical flame detector senses sharp
Electric signal is sent during light light beam to send to controller；
Controller receives the deflection angle of the laser beam that now laser transmitting is determined after electric signal and shows in real time.
Wherein, laser is gas, liquid, solid or semiconductor laser.
Wherein, it is provided with indicator corresponding with scale label on the outside of the first, second, the 4th side plate.
Present invention also offers a kind of calibration method of utilization laser angle calibrating installation, in turn include the following steps：
(1) parallel laser light beam of the control laser transmitting without angular deflection so that laser beam after diaphragm by shining
The center of convex mirror is incident upon, if optical flame detector does not sense laser beam, into step (2)；
(2) laser beam for causing transmitting by the angular adjustment apparatus of laser has first angle so that laser light
Beam is by exposing to convex mirror after diaphragm；
(3) after laser beam is launched through convex mirror, launched to the first side plate with the first measurement angle, it is photosensitive on the first side plate
When device senses the first sensed position of laser beam, the first electric signal for including first position is sent to controller, and
The indicator of correspondence scale lights；
(4) after laser beam is launched through the first side plate, launched to second or the 4th side plate, second or the with the second measurement angle
When photoreceptor on four side plates senses second or three sensed positions of laser beam, send and include second or the 3rd position
Second or the 3rd electric signal to controller, and the indicator of correspondence scale lights；
(5) by the corresponding deflection angle in first position and second or the 3rd the corresponding deflection angle in position be compared, if partially
Corner is identical, then using this deflection angle as collimation angle, repeat step (1)-(4) if difference；
(6) angular adjustment apparatus are calibrated using collimation angle so that the adjustment ginseng of the angular adjustment apparatus after adjustment
Number is corresponding with first angle；
(7) laser beam for causing transmitting by the angular adjustment apparatus of laser has second angle, repeat step
(2) angular adjustment apparatus are calibrated by-(5) using the corresponding collimation angle of second angle so that the angle adjustment dress after adjustment
The adjusting parameter put is corresponding with second angle, and calibration is finished.
Laser angle calibrating installation of the invention and calibration method, it is possible to achieve launch the angle of light beam for laser
Measurement is calibrated to laser, so as to improve the accuracy of laser launch angle, and visual indication go out it is corresponding
The corresponding angle of calibration, and the deflection angle that laser is set intuitively is contrasted, more convenient.
Brief description of the drawings
Fig. 1 is laser angle calibrating installation structural representation
Specific embodiment
The following detailed description of specific implementation of the invention, it is necessary to it is pointed out here that, below implement to be only intended to this hair
Bright further illustrates, it is impossible to be interpreted as limiting the scope of the invention, and art skilled person is according to above-mentioned
Some nonessential modifications and adaptations that the content of the invention is made to the present invention, still fall within protection scope of the present invention.
The invention provides a kind of laser angle calibrating installation and its method, as shown in figure 1, laser angle calibration cartridge
Put the laser 1, diaphragm and prover 2 for being included in and being set gradually on laser optical path direction, the wherein structure of prover 2 such as Fig. 1
Shown, first, second, third and fourth side plate of prover surrounds the rectangular configuration with middle cavity, wherein first and third side plate it is relative and
It is arranged on the direction vertical with laser optical path, second, four side plates are relative and are arranged on the direction parallel with laser optical path；The
It is the opening of A that side plate center has an aperture, and aperture is provided with the inside of the 3rd side plate being oppositely arranged more than opening
The convex mirror 3 in aperture, the laser beam of laser transmitting, by opening, is then irradiated on convex mirror 3, convex mirror after diaphragm
3 light beam is reflected after be irradiated on the first side plate, second or the 4th is irradiated in after being reflected through the first side plate again on side plate；Diaphragm has
Have aperture B, its setting can by wiping out background veiling glare while, it is ensured that laser transmitting laser beam can by (even if swash
Light light beam has certain deflection angle), and the deflection angle of the laser beam of laser transmitting meets certain angular range,
If by the laser beam after diaphragm without deflection angle, and direct irradiation is to the center of convex mirror 3, then laser light
Beam is returned according to original route, during calibration, is adjusted by the transmitting beam angle means for correcting of laser itself sharp
The Laser emission angle of light device, so as to change the launch angle of the laser beam of laser, laser beam after diaphragm by irradiating
Onto convex mirror 3, it is irradiated on the first side plate after beam path will be changed after reflection.
The structure of prover 2 is fixed design, and the subsequent corrosion of convex mirror 3 is also the definite value after design, therefore with one
Determine angular illumination to convex mirror 3 laser beam can with fixed angle reflection, because the structure of prover 2 is fixed,
The 3 to the first side plate of middle cavity convex face mirror and the first side plate to second or the 4th the path of side plate be also fixed, the length in path
Degree is also fixed, and the pip of the first side plate and second or the 4th side plate is also fixed, therefore by optical design,
Prover is calibrated in advance, the light of laser is can be obtained by using the structure and light path angle and length relation after calibration
The deflection angle of beam, so as to by the calculated value of deflection angle, carry out the angular adjustment apparatus of correcting laser itself, so as to realize laser
The calibration of device.As shown in figure 1, in concrete implementation, scale and correspondence are both provided with the inside of the first, second, the 4th side plate
Optical flame detector, optical flame detector sends electric signal and sends to controller (not shown) when sensing laser beam, controller receives electricity
The deflection angle of the laser beam of now laser transmitting is determined after signal and is shown in real time, in addition the first, second, the 4th side plate
Outside be provided with indicator corresponding with scale label, during calibration, while inductor senses laser beam,
The indicator of correspondence scale label lights, and such that it is able to intuitively read corresponding deflection angle, is filled so as to be adjusted with laser
The adjusting parameter put is compared, and the calibration of laser is realized by calibrating adjusting apparatus.
The invention provides a kind of laser angle calibration method, in turn include the following steps：
(1) parallel laser light beam of the control laser transmitting without angular deflection so that laser beam after diaphragm by shining
The center of convex mirror is incident upon, if optical flame detector does not sense laser beam, into step (2)；
(2) laser beam for causing transmitting by the angular adjustment apparatus of laser has first angle so that laser light
Beam is by exposing to convex mirror after diaphragm；
(3) after laser beam is launched through convex mirror, launched to the first side plate with the first measurement angle, it is photosensitive on the first side plate
When device senses the first sensed position of laser beam, the first electric signal for including first position is sent to controller, and
The indicator of correspondence scale lights；
(4) after laser beam is launched through the first side plate, launched to second or the 4th side plate, second or the with the second measurement angle
When photoreceptor on four side plates senses second or three sensed positions of laser beam, send and include second or the 3rd position
Second or the 3rd electric signal to controller, and the indicator of correspondence scale lights；
(5) by the corresponding deflection angle in first position and second or the 3rd the corresponding deflection angle in position be compared, if partially
Corner is identical, then using this deflection angle as collimation angle, repeat step (1)-(4) if difference；
(6) angular adjustment apparatus are calibrated using collimation angle so that the adjustment ginseng of the angular adjustment apparatus after adjustment
Number is corresponding with first angle；
(7) laser beam for causing transmitting by the angular adjustment apparatus of laser has second angle, repeat step
(2) angular adjustment apparatus are calibrated by-(5) using the corresponding collimation angle of second angle so that the angle adjustment dress after adjustment
The adjusting parameter put is corresponding with second angle, and calibration is finished.
In addition it should be noted that design parameter and architectural feature in the present invention can by directly or indirectly setting,
The mode of measurement is obtained, and the present invention is completed under rational expection, and parameter, formula, the scheme of any discomfort should all be excluded.
Although for illustrative purposes, it has been described that illustrative embodiments of the invention, those skilled in the art
Member it will be understood that, in the case of not departing from the scope and spirit of invention disclosed in appended claims, can be in form and details
On carry out various modifications, addition and replace etc. change, and it is all these change should all belong to appended claims of the present invention
Each step in protection domain, and claimed each department of product and method, can be in any combination
Form is combined.Therefore, to disclosed in this invention implementation method description be not intended to limit the scope of the present invention,
But for describing the present invention.Correspondingly, the scope of the present invention is not limited by embodiment of above, but by claim or
Its equivalent is defined.
Claims (4)
1. a kind of laser angle calibrating installation, it is characterised in that：Be included in set gradually on laser optical path direction laser,
Diaphragm and prover：
First, second, third and fourth side plate of prover surrounds the rectangular configuration with middle cavity, wherein first and third side plate is relative and sets
It is placed on the direction vertical with laser optical path, second, four side plates are relative and are arranged on the direction parallel with laser optical path；First
Side plate center has the opening that aperture is A, and aperture is provided with the inside of the 3rd side plate being oppositely arranged more than hatch bore diameter
Convex mirror, the subsequent corrosion of convex mirror is definite value；
The deflection angle that diaphragm has aperture B, the laser beam of laser transmitting meets certain angular range so that in angle model
Enclosing interior laser beam can be by diaphragm (even if laser beam have certain deflection angle can also pass through)；
First, secondth, scale and the corresponding optical flame detector are both provided with the inside of the 4th side plate, optical flame detector senses laser light
Electric signal is sent during beam to send to controller；
Controller receives the deflection angle of the laser beam that now laser transmitting is determined after electric signal and shows in real time.
2. device as claimed in claim 1, it is characterised in that：Laser is gas, liquid, solid or semiconductor laser.
3. device as claimed in claim 1 or 2, it is characterised in that：First, secondth, it is provided with and mark on the outside of the 4th side plate
The corresponding indicator of chi scale.
4. a kind of calibration method of laser angle calibrating installation using as described in above-mentioned any one of claim 1-3, its spy
Levy and be, in turn include the following steps：
(1) parallel laser light beam of the control laser transmitting without angular deflection so that laser beam after diaphragm by exposing to
The center of convex mirror, if optical flame detector does not sense laser beam, into step (2)；
(2) laser beam for causing transmitting by the angular adjustment apparatus of laser has first angle so that laser beam leads to
Convex mirror is exposed to after crossing diaphragm；
(3) after laser beam is launched through convex mirror, launched to the first side plate, the photoreceptor sense on the first side plate with the first measurement angle
When should arrive the first sensed position of laser beam, the first electric signal for including first position is sent to controller, and correspond to
The indicator of scale lights；
(4) after laser beam is launched through the first side plate, launched to second or the 4th side plate, second or the 4th side with the second measurement angle
When photoreceptor on plate senses second or three sensed positions of laser beam, send include second or the 3rd position
Two or the 3rd electric signal to controller, and the indicator of correspondence scale lights；
(5) by the corresponding deflection angle in first position and second or the 3rd the corresponding deflection angle in position be compared, if deflection angle
It is identical, then using this deflection angle as collimation angle, repeat step (1)-(4) if difference；
(6) angular adjustment apparatus are calibrated using collimation angle so that the adjusting parameter of the angular adjustment apparatus after adjustment with
First angle correspondence；
(7) laser beam for causing transmitting by the angular adjustment apparatus of laser has a second angle, and repeat step (2)-
(5) angular adjustment apparatus are calibrated using second angle corresponding collimation angle, so that angular adjustment apparatus after adjustment
Adjusting parameter is corresponding with second angle, and calibration is finished.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611263470.2A CN106840604B (en) | 2016-12-30 | 2016-12-30 | A kind of laser angle calibrating installation and calibration method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611263470.2A CN106840604B (en) | 2016-12-30 | 2016-12-30 | A kind of laser angle calibrating installation and calibration method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106840604A true CN106840604A (en) | 2017-06-13 |
| CN106840604B CN106840604B (en) | 2019-03-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201611263470.2A Active CN106840604B (en) | 2016-12-30 | 2016-12-30 | A kind of laser angle calibrating installation and calibration method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109580185A (en) * | 2018-12-26 | 2019-04-05 | 北京安和博控科技有限公司 | A kind of portable light is away from calibrating installation |
| CN112276343A (en) * | 2020-10-23 | 2021-01-29 | 苏州科韵激光科技有限公司 | Laser light path adjusting device and laser light path adjusting method |
| US11254416B2 (en) * | 2019-05-16 | 2022-02-22 | The Boeing Company | Method and apparatus for remote angle calibration and measurement |
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| CN1534329A (en) * | 2004-04-12 | 2004-10-06 | 哈尔滨工业大学 | Optical beam drifting amount fast feedback controlling type high precision laser aligning method and device |
| CN101592787A (en) * | 2008-05-28 | 2009-12-02 | 北京中视中科光电技术有限公司 | A kind of apparatus and method that are used for the light path adjusting |
| JP2010216937A (en) * | 2009-03-16 | 2010-09-30 | Fujitsu Ltd | Measurement device and measurement method |
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2016
- 2016-12-30 CN CN201611263470.2A patent/CN106840604B/en active Active
Patent Citations (4)
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| CN1534329A (en) * | 2004-04-12 | 2004-10-06 | 哈尔滨工业大学 | Optical beam drifting amount fast feedback controlling type high precision laser aligning method and device |
| CN101592787A (en) * | 2008-05-28 | 2009-12-02 | 北京中视中科光电技术有限公司 | A kind of apparatus and method that are used for the light path adjusting |
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| JP2010216937A (en) * | 2009-03-16 | 2010-09-30 | Fujitsu Ltd | Measurement device and measurement method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109580185A (en) * | 2018-12-26 | 2019-04-05 | 北京安和博控科技有限公司 | A kind of portable light is away from calibrating installation |
| US11254416B2 (en) * | 2019-05-16 | 2022-02-22 | The Boeing Company | Method and apparatus for remote angle calibration and measurement |
| CN112276343A (en) * | 2020-10-23 | 2021-01-29 | 苏州科韵激光科技有限公司 | Laser light path adjusting device and laser light path adjusting method |
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| Publication number | Publication date |
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| CN106840604B (en) | 2019-03-12 |
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Effective date of registration: 20190213 Address after: 313000 Nianfeng Road 279, Nanxun Town, Nanxun District, Huzhou City, Zhejiang Province Applicant after: Huzhou Nanxun Enterprise Surveying and Mapping and Land Planning Institute Co., Ltd. Address before: 266000 2 Hui Ying Street, Jiaozhou economic and Technological Development Zone, Qingdao, Shandong Applicant before: QINGDAO R & D INSTITUTE, XI'AN JIAOTONG UNIVERSITY Applicant before: Qingdao apulse Intellectual Property Management Co. Ltd |
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