CN106840604B - 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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- CN106840604B CN106840604B CN201611263470.2A CN201611263470A CN106840604B CN 106840604 B CN106840604 B CN 106840604B CN 201611263470 A CN201611263470 A CN 201611263470A CN 106840604 B CN106840604 B CN 106840604B
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- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
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Abstract
A kind of laser angle calibrating installation and calibration method, including 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 hollow cavity, it is the opening of A that first side plate center, which has aperture, the convex mirror that aperture is greater than hatch bore diameter is provided on the inside of the third side plate being oppositely arranged, first, second, scale and the corresponding optical flame detector are both provided on the inside of 4th side plate, optical flame detector senses that electric signal is issued when laser beam is sent to controller, controller receives the deflection angle and real-time display that the laser beam of laser transmitting at this time is determined after electric signal, the angle measurement of light beam can be emitted for laser to calibrate to laser, 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 technique
Laser has many advantages, such as that brightness height, good directionality, monochromaticjty are 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, the processing etc. refined in disease treatment.
With social science and expanding economy, the requirement for laser performance is also higher and higher, if can be fine
That changes operates laser, then can more targetedly operate in practical applications to target.Currently, laser
Direction can be adjusted by changing the angle of the direction of the launch, however this adjustment mode depends on the hard of laser itself mostly
Part and its measure of precision are also limited to the operation of laser direction the angle of departure for changing light beam after adjusting by laser itself
Degree, is not calibrated specifically for the actual launch angle of light beam, and react on the calibration of laser itself, therefore is calibrated
Precision is low.
Summary of the invention
It is an object of the invention to overcome the deficiencies of the prior art and provide a kind of angles that can emit light beam for laser
Degree measurement to be calibrated to laser, thus improve the accuracy of laser launch angle laser angle calibrating installation and
Calibration method.
The present invention provides a kind of laser angle calibrating installations, including the laser set gradually on laser optical path direction
Device, diaphragm and prover:
First, second, third and fourth side plate of prover surrounds the rectangular configuration with hollow cavity, wherein the first and third side plate is opposite
And be set on the direction vertical with laser optical path, second, four side plates are opposite and are set on the direction parallel with laser optical path；
It is the opening of A that first side plate center, which has aperture, and aperture is provided on the inside of the third side plate being oppositely arranged and is greater than opening
The convex mirror in aperture, the subsequent corrosion of convex mirror are definite value；
Diaphragm has aperture B, and the deflection angle of the laser beam of laser transmitting meets certain angular range, so that at angle
Laser beam can pass through diaphragm (even if laser beam there is certain deflection angle can also pass through) in degree range；
The first, second, it is both provided with scale and the corresponding optical flame detector on the inside of the 4th side plate, optical flame detector senses sharp
Electric signal is issued when light light beam is sent to controller；
Controller receives the deflection angle and real-time display that the laser beam of laser transmitting at this time is determined after electric signal.
Wherein, laser is gas, liquid, solid or semiconductor laser.
Wherein, indicator corresponding with scale label is provided on the outside of the first, second, the 4th side plate.
The present invention also provides a kind of calibration methods using laser angle calibrating installation, in turn include the following steps:
(1) control laser emits the parallel laser light beam of not angular deflection, so that laser beam after diaphragm by shining
It is incident upon the center of convex mirror, if optical flame detector does not sense laser beam, enters step (2)；
(2) make the laser beam of transmitting that there is first angle by the angular adjustment apparatus of laser, so that laser light
Beam exposes to convex mirror after passing through diaphragm；
(3) laser beam is after convex mirror emits, and is emitted with the first measurement angle to the first side plate, photosensitive on the first side plate
When device senses the first sensed position of laser beam, sending includes the first electric signal of first position to controller, and
The indicator of corresponding scale shines；
(4) laser beam is after the transmitting of the first side plate, is emitted with the second measurement angle to second or the 4th side plate, second or the
When photoreceptor on four side plates senses second or third sensed position of laser beam, sending includes second or the third place
Second or third electric signal to controller, and the indicator of corresponding scale shines；
(5) the corresponding deflection angle in first position and second or the corresponding deflection angle of the third place are compared, if partially
Corner is identical, then using this deflection angle as collimation angle, step (1)-(4) are repeated if different；
(6) angular adjustment apparatus is calibrated using collimation angle, so that the adjustment of angular adjustment apparatus adjusted is joined
Number is corresponding with first angle；
(7) make the laser beam of transmitting that there is second angle by the angular adjustment apparatus of laser, repeat step
(2) angular adjustment apparatus is calibrated using the corresponding collimation angle of second angle in-(5), so that angle adjusted adjustment dress
The adjusting parameter set is corresponding with second angle, and calibration finishes.
The angle for laser transmitting light beam may be implemented in laser angle calibrating installation of the invention and calibration method
Measurement is to calibrate laser, to improve the accuracy of laser launch angle, and visual indication is corresponding out
The deflection angle of corresponding angle and the laser setting of calibration intuitively compares, more convenient.
Detailed description of the invention
Fig. 1 is laser angle calibrating installation structural schematic diagram
Specific embodiment
The following detailed description of specific implementation of the invention, it is necessary to it is indicated herein to be, implement to be only intended to this hair below
Bright further explanation, should not be understood as limiting the scope of the invention, and field person skilled in the art is according to above-mentioned
Some nonessential modifications and adaptations that summary of the invention makes the present invention, still fall within protection scope of the present invention.
The present invention provides a kind of laser angle calibrating installation and its methods, as shown in Figure 1, laser angle calibration cartridge
Laser 1, diaphragm and prover 2 including setting gradually on laser optical path direction are set, wherein the structure of prover 2 such as Fig. 1
Shown, the first, second, third and fourth side plate of prover surrounds the rectangular configuration with hollow cavity, wherein the first and third side plate it is opposite and
It is set on the direction vertical with laser optical path, second, four side plates are opposite and are set on the direction parallel with laser optical path；The
It is the opening of A that side plate center, which has an aperture, and aperture is provided on the inside of the third side plate being oppositely arranged and is greater than opening
The convex mirror 3 in aperture, the laser beam of laser transmitting, by opening, are then irradiated on convex mirror 3, convex mirror after diaphragm
3 light beam is reflected after be irradiated on the first side plate, be irradiated in second or the 4th again after the reflection of the first side plate on side plate；Diaphragm tool
There is aperture B, while setting can be by wiping out background veiling glare, guarantees that the laser beam of laser transmitting can be 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 laser beam after diaphragm is 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, to change the launch angle of the laser beam of laser, laser beam irradiates after passing through diaphragm
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
Determining angular illumination can be reflected to the laser beam of convex mirror 3 with fixed angle, because the structure of prover 2 is fixed,
In hollow cavity the 3 to the first side plate of convex 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 reflection point of the first side plate and second or the 4th side plate is also fixed, therefore passes through optical design,
Prover is calibrated in advance, using after calibration structure and light path angle and length relation can be obtained by the light of laser
The deflection angle of beam, to carry out the angular adjustment apparatus of correcting laser itself by the calculated value of deflection angle, to realize laser
The calibration of device.As shown in Figure 1, being both provided with scale and correspondence on the inside of the first, second, the 4th side plate in concrete implementation
Optical flame detector, optical flame detector sense that electric signal is issued when laser beam is sent to controller (not shown), and controller receives electricity
The deflection angle and real-time display of the laser beam of laser transmitting at this time are determined after signal, furthermore 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 corresponding scale label shines, and so as to intuitively read corresponding deflection angle, fills to adjust with laser
The adjusting parameter set is compared, and the calibration of laser is realized by calibration adjustment device.
The present invention provides a kind of laser angle calibration methods, in turn include the following steps:
(1) control laser emits the parallel laser light beam of not angular deflection, so that laser beam after diaphragm by shining
It is incident upon the center of convex mirror, if optical flame detector does not sense laser beam, enters step (2)；
(2) make the laser beam of transmitting that there is first angle by the angular adjustment apparatus of laser, so that laser light
Beam exposes to convex mirror after passing through diaphragm；
(3) laser beam is after convex mirror emits, and is emitted with the first measurement angle to the first side plate, photosensitive on the first side plate
When device senses the first sensed position of laser beam, sending includes the first electric signal of first position to controller, and
The indicator of corresponding scale shines；
(4) laser beam is after the transmitting of the first side plate, is emitted with the second measurement angle to second or the 4th side plate, second or the
When photoreceptor on four side plates senses second or third sensed position of laser beam, sending includes second or the third place
Second or third electric signal to controller, and the indicator of corresponding scale shines；
(5) the corresponding deflection angle in first position and second or the corresponding deflection angle of the third place are compared, if partially
Corner is identical, then using this deflection angle as collimation angle, step (1)-(4) are repeated if different；
(6) angular adjustment apparatus is calibrated using collimation angle, so that the adjustment of angular adjustment apparatus adjusted is joined
Number is corresponding with first angle；
(7) make the laser beam of transmitting that there is second angle by the angular adjustment apparatus of laser, repeat step
(2) angular adjustment apparatus is calibrated using the corresponding collimation angle of second angle in-(5), so that angle adjusted adjustment dress
The adjusting parameter set is corresponding with second angle, and calibration finishes.
Furthermore it should be noted that design parameter and structure feature in the present invention can by being directly or indirectly arranged,
The mode of measurement obtains, and the present invention is completed under reasonable be expected, and parameter, formula, the scheme of any discomfort should all exclude.
Although for illustrative purposes, it has been described that exemplary embodiments of the present invention, those skilled in the art
Member it will be understood that, can be in form and details in the case where the scope and spirit for not departing from invention disclosed in appended claims
On the change that carry out various modifications, add and replace etc., and all these changes all should belong to appended claims of the present invention
Protection scope, and each step in the claimed each department of product and method, can in any combination
Form is combined.Therefore, to disclosed in this invention the description of embodiment be not intended to limit the scope of the 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: including 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 hollow cavity, wherein the first and third side plate is opposite and sets
It is placed on the direction vertical with laser optical path, second, four side plates are opposite and are set on the direction parallel with laser optical path；First
It is the opening of A that side plate center, which has aperture, and aperture is provided on the inside of the third side plate being oppositely arranged greater than hatch bore diameter
Convex mirror, the subsequent corrosion of convex mirror is definite value；
Diaphragm has aperture B, and the deflection angle of the laser beam of laser transmitting meets certain angular range, so that in angle model
Diaphragm can be passed through by enclosing interior laser beam；
The first, second, it is both provided with scale and corresponding optical flame detector on the inside of the 4th side plate, when optical flame detector senses laser beam
It issues electric signal and is sent to controller；
Irradiation light thereon can be reflected into second or the 4th on side plate by the first side plate；
Controller receives the deflection angle and real-time display that the laser beam of laser transmitting at this time is determined after electric signal, wherein will
The corresponding deflection angle in first position and second or the corresponding deflection angle of the third place be compared, if deflection angle is identical, will
This deflection angle is as collimation angle
The angular adjustment apparatus in laser is calibrated using the deflection angle that measurement obtains.
2. device as described 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: be provided with and mark on the outside of the first, second, the 4th side plate
The corresponding indicator of ruler scale.
4. a kind of calibration method using such as the described in any item laser angle calibrating installations of the claims 1-3, special
Sign is, in turn includes the following steps:
(1) control laser emits the parallel laser light beam of not angular deflection, so that laser beam after diaphragm by exposing to
The center of convex mirror enters step (2) if optical flame detector does not sense laser beam；
(2) make the laser beam of transmitting that there is first angle by the angular adjustment apparatus of laser, so that laser beam is logical
Convex mirror is exposed to after crossing diaphragm；
(3) laser beam is after convex mirror emits, and is emitted with the first measurement angle to the first side plate, the optical flame detector sense on the first side plate
When should arrive the first sensed position of laser beam, sending includes the first electric signal of first position to controller, and corresponding
The indicator of scale shines；
(4) laser beam is after the transmitting of the first side plate, is emitted with the second measurement angle to the second or the 4th side plate, second or the 4th side
When optical flame detector on plate senses second or third sensed position of laser beam, sending includes the of second or the third place
Two or third electric signal to controller, and the indicator of corresponding scale shines；
(5) the corresponding deflection angle in first position and second or the corresponding deflection angle of the third place are compared, if deflection angle
It is identical, then using this deflection angle as collimation angle, step (1)-(4) are repeated if different；
(6) angular adjustment apparatus is calibrated using collimation angle so that the adjusting parameter of angular adjustment apparatus adjusted with
First angle is corresponding；
(7) make the laser beam of transmitting that there is second angle by the angular adjustment apparatus of laser, repeat step (2)-
(5), angular adjustment apparatus is calibrated using second angle corresponding collimation angle, so that angular adjustment apparatus adjusted
Adjusting parameter is corresponding with second angle, and calibration finishes.
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 |
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| 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 |
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| Publication Number | Publication Date |
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| CN106840604A CN106840604A (en) | 2017-06-13 |
| CN106840604B true CN106840604B (en) | 2019-03-12 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109580185B (en) * | 2018-12-26 | 2021-04-30 | 北京安和博控科技有限公司 | Portable optical distance calibrating device |
| 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 |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
-
2016
- 2016-12-30 CN CN201611263470.2A patent/CN106840604B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN101592787B (en) * | 2008-05-28 | 2011-11-23 | 北京中视中科光电技术有限公司 | Device for adjusting light path and method thereof |
| JP2010216937A (en) * | 2009-03-16 | 2010-09-30 | Fujitsu Ltd | Measurement device and measurement method |
Non-Patent Citations (1)
| Title |
|---|
| 水平式激光发射系统激光指向远场检测研究;施龙等;《电子测量与仪器学报》;20160831;第30卷(第8期);全文 |
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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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